2897724 has 24 divisors (see below), whose sum is σ = 7056000. Its totient is φ = 923824.

The previous prime is 2897717. The next prime is 2897731. The reversal of 2897724 is 4277982.

It is an interprime number because it is at equal distance from previous prime (2897717) and next prime (2897731).

It is an Ulam number.

It is a congruent number.

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, 4974 + ... + 5525.

It is an arithmetic number, because the mean of its divisors is an integer number (294000).

2^2897724 is an apocalyptic number.

It is an amenable number.

2897724 is an abundant number, since it is smaller than the sum of its proper divisors (4158276).

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

2897724 is a wasteful number, since it uses less digits than its factorization.

2897724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10529 (or 10527 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 2897724 is about 1702.2702488148. The cubic root of 2897724 is about 142.5669983502.

The spelling of 2897724 in words is "two million, eight hundred ninety-seven thousand, seven hundred twenty-four".