2904724 has 6 divisors (see below), whose sum is σ = 5083274. Its totient is φ = 1452360.

The previous prime is 2904719. The next prime is 2904749. The reversal of 2904724 is 4274092.

It can be written as a sum of positive squares in only one way, i.e., 2782224 + 122500 = 1668^2 + 350^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2904692 and 2904701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363087 + ... + 363094.

2^2904724 is an apocalyptic number.

It is an amenable number.

2904724 is a deficient number, since it is larger than the sum of its proper divisors (2178550).

2904724 is a wasteful number, since it uses less digits than its factorization.

2904724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726185 (or 726183 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2904724 is about 1704.3250863612. The cubic root of 2904724 is about 142.6817052110.

The spelling of 2904724 in words is "two million, nine hundred four thousand, seven hundred twenty-four".