897428446 has 16 divisors (see below), whose sum is σ = 1353315600. Its totient is φ = 446330368.

The previous prime is 897428437. The next prime is 897428449. The reversal of 897428446 is 644824798.

It is a junction number, because it is equal to n+sod(n) for n = 897428393 and 897428402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897428449) 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, 324606 + ... + 327358.

It is an arithmetic number, because the mean of its divisors is an integer number (84582225).

Almost surely, 2^897428446 is an apocalyptic number.

897428446 is a deficient number, since it is larger than the sum of its proper divisors (455887154).

897428446 is a wasteful number, since it uses less digits than its factorization.

897428446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563.

The product of its digits is 3096576, while the sum is 52.

The square root of 897428446 is about 29957.1101076189. The cubic root of 897428446 is about 964.5689488485.

The spelling of 897428446 in words is "eight hundred ninety-seven million, four hundred twenty-eight thousand, four hundred forty-six".