2897428 has 12 divisors (see below), whose sum is σ = 5094432. Its totient is φ = 1441880.

The previous prime is 2897423. The next prime is 2897437. The reversal of 2897428 is 8247982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897423) 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, 688 + ... + 2503.

It is an arithmetic number, because the mean of its divisors is an integer number (424536).

2^2897428 is an apocalyptic number.

It is an amenable number.

2897428 is a deficient number, since it is larger than the sum of its proper divisors (2197004).

2897428 is a wasteful number, since it uses less digits than its factorization.

2897428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422 (or 3420 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 2897428 is about 1702.1833038777. The cubic root of 2897428 is about 142.5621438197.

The spelling of 2897428 in words is "two million, eight hundred ninety-seven thousand, four hundred twenty-eight".