2897604 has 18 divisors (see below), whose sum is σ = 7324590. Its totient is φ = 965856.

The previous prime is 2897579. The next prime is 2897611. The reversal of 2897604 is 4067982.

It can be written as a sum of positive squares in only one way, i.e., 2883204 + 14400 = 1698^2 + 120^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2897604² = 16792217881632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 80489 = 2897604 / (2 + 8 + 9 + 7 + 6 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40209 + ... + 40280.

2^2897604 is an apocalyptic number.

It is an amenable number.

2897604 is an abundant number, since it is smaller than the sum of its proper divisors (4426986).

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

2897604 is a wasteful number, since it uses less digits than its factorization.

2897604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80499 (or 80494 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2897604 is about 1702.2350014026. The cubic root of 2897604 is about 142.5650303371.

The spelling of 2897604 in words is "two million, eight hundred ninety-seven thousand, six hundred four".