2897432 has 16 divisors (see below), whose sum is σ = 5450760. Its totient is φ = 1443904.

The previous prime is 2897423. The next prime is 2897437. The reversal of 2897432 is 2347982.

It is a super-2 number, since 2×2897432² = 16790224389248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2897392 and 2897401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4388 + ... + 5004.

2^2897432 is an apocalyptic number.

It is an amenable number.

2897432 is a deficient number, since it is larger than the sum of its proper divisors (2553328).

2897432 is a wasteful number, since it uses less digits than its factorization.

2897432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1206 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 2897432 is about 1702.1844788389. The cubic root of 2897432 is about 142.5622094237.

The spelling of 2897432 in words is "two million, eight hundred ninety-seven thousand, four hundred thirty-two".