3909744 has 60 divisors (see below), whose sum is σ = 11525800. Its totient is φ = 1233792.

The previous prime is 3909739. The next prime is 3909749. The reversal of 3909744 is 4479093.

3909744 = T₆₃₂ + T₆₃₃ + ... + T₆₅₀.

3909744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3909739) and next prime (3909749).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3909699 and 3909708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3909749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2022 + ... + 3450.

Almost surely, 2^3909744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3909744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5762900).

3909744 is an abundant number, since it is smaller than the sum of its proper divisors (7616056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3909744 is a wasteful number, since it uses less digits than its factorization.

3909744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462 (or 1453 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3909744 is about 1977.3072598865. The cubic root of 3909744 is about 157.5370736611.

The spelling of 3909744 in words is "three million, nine hundred nine thousand, seven hundred forty-four".