97428250 has 16 divisors (see below), whose sum is σ = 182386152. Its totient is φ = 38971200.

The previous prime is 97428229. The next prime is 97428263. The reversal of 97428250 is 5282479.

It can be written as a sum of positive squares in 4 ways, for example, as 18378369 + 79049881 = 4287^2 + 8891^2 .

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, 194607 + ... + 195106.

Almost surely, 2^97428250 is an apocalyptic number.

97428250 is a deficient number, since it is larger than the sum of its proper divisors (84957902).

97428250 is a wasteful number, since it uses less digits than its factorization.

97428250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389730 (or 389720 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 97428250 is about 9870.5749579242. The cubic root of 97428250 is about 460.1452754759.

The spelling of 97428250 in words is "ninety-seven million, four hundred twenty-eight thousand, two hundred fifty".