3909124 has 24 divisors (see below), whose sum is σ = 7157528. Its totient is φ = 1866240.

The previous prime is 3909107. The next prime is 3909127. The reversal of 3909124 is 4219093.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36100 + 3873024 = 190^2 + 1968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3909092 and 3909101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3909127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8812 + ... + 9244.

Almost surely, 2^3909124 is an apocalyptic number.

It is an amenable number.

3909124 is a deficient number, since it is larger than the sum of its proper divisors (3248404).

3909124 is a wasteful number, since it uses less digits than its factorization.

3909124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 3909124 is about 1977.1504747995. The cubic root of 3909124 is about 157.5287459079.

The spelling of 3909124 in words is "three million, nine hundred nine thousand, one hundred twenty-four".