3962844 has 54 divisors (see below), whose sum is σ = 10470824. Its totient is φ = 1312200.

The previous prime is 3962843. The next prime is 3962851. The reversal of 3962844 is 4482693.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (54).

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

It is a d-powerful number, because it can be written as 3¹¹ + 9³ + 6⁸ + 2²¹ + 8 + 4⁶ + 4⁶ .

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 3962799 and 3962808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3962843) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26169 + ... + 26319.

Almost surely, 2^3962844 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 3962844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5235412).

3962844 is an abundant number, since it is smaller than the sum of its proper divisors (6507980).

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

3962844 is an equidigital number, since it uses as much as digits as its factorization.

3962844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 156 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 3962844 is about 1990.6893278460. The cubic root of 3962844 is about 158.2470631292.

It can be divided in two parts, 396 and 2844, that added together give a triangular number (3240 = T₈₀).

The spelling of 3962844 in words is "three million, nine hundred sixty-two thousand, eight hundred forty-four".