2939904 has 132 divisors (see below), whose sum is σ = 9579960. Its totient is φ = 860160.

The previous prime is 2939899. The next prime is 2939917. The reversal of 2939904 is 4099392.

2939904 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (132).

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

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101362 + ... + 101390.

2^2939904 is an apocalyptic number.

2939904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2939904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4789980).

2939904 is an abundant number, since it is smaller than the sum of its proper divisors (6640056).

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

2939904 is a wasteful number, since it uses less digits than its factorization.

2939904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 2939904 is about 1714.6148255512. The cubic root of 2939904 is about 143.2554158566.

The spelling of 2939904 in words is "two million, nine hundred thirty-nine thousand, nine hundred four".