2904722 has 16 divisors (see below), whose sum is σ = 4740120. Its totient is φ = 1329408.

The previous prime is 2904719. The next prime is 2904749. The reversal of 2904722 is 2274092.

It can be written as a sum of positive squares in 4 ways, for example, as 2825761 + 78961 = 1681^2 + 281^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2904691 and 2904700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104 + ... + 2412.

2^2904722 is an apocalyptic number.

2904722 is a deficient number, since it is larger than the sum of its proper divisors (1835398).

2904722 is a wasteful number, since it uses less digits than its factorization.

2904722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2904722 is about 1704.3244996185. The cubic root of 2904722 is about 142.6816724640.

The spelling of 2904722 in words is "two million, nine hundred four thousand, seven hundred twenty-two".