97388028 has 24 divisors (see below), whose sum is σ = 252487760. Its totient is φ = 32462640.

The previous prime is 97388009. The next prime is 97388029. The reversal of 97388028 is 82088379.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97388029) 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, 450763 + ... + 450978.

Almost surely, 2^97388028 is an apocalyptic number.

It is an amenable number.

97388028 is an abundant number, since it is smaller than the sum of its proper divisors (155099732).

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

97388028 is a wasteful number, since it uses less digits than its factorization.

97388028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901754 (or 901746 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 97388028 is about 9868.5372776314. The cubic root of 97388028 is about 460.0819450737.

It can be divided in two parts, 9738 and 8028, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 97388028 in words is "ninety-seven million, three hundred eighty-eight thousand, twenty-eight".