897902742 has 16 divisors (see below), whose sum is σ = 1959060672. Its totient is φ = 272091720.

The previous prime is 897902729. The next prime is 897902743. The reversal of 897902742 is 247209798.

It is a super-2 number, since 2×897902742² = 1612458668182237128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 897902691 and 897902700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897902743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6802228 + ... + 6802359.

It is an arithmetic number, because the mean of its divisors is an integer number (122441292).

Almost surely, 2^897902742 is an apocalyptic number.

897902742 is an abundant number, since it is smaller than the sum of its proper divisors (1061157930).

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

897902742 is a wasteful number, since it uses less digits than its factorization.

897902742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604603.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 897902742 is about 29965.0253128543. The cubic root of 897902742 is about 964.7388456331.

The spelling of 897902742 in words is "eight hundred ninety-seven million, nine hundred two thousand, seven hundred forty-two".