94997428 has 12 divisors (see below), whose sum is σ = 176024772. Its totient is φ = 44704640.

The previous prime is 94997407. The next prime is 94997437. The reversal of 94997428 is 82479949.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65966884 + 29030544 = 8122^2 + 5388^2 .

It is a super-2 number, since 2×94997428² = 18049022653230368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698443 + ... + 698578.

It is an arithmetic number, because the mean of its divisors is an integer number (14668731).

Almost surely, 2^94997428 is an apocalyptic number.

It is an amenable number.

94997428 is a deficient number, since it is larger than the sum of its proper divisors (81027344).

94997428 is a wasteful number, since it uses less digits than its factorization.

94997428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397042 (or 1397040 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 94997428 is about 9746.6624030998. The cubic root of 94997428 is about 456.2861456820.

The spelling of 94997428 in words is "ninety-four million, nine hundred ninety-seven thousand, four hundred twenty-eight".