97914420 has 72 divisors (see below), whose sum is σ = 308022624. Its totient is φ = 26109216.

The previous prime is 97914409. The next prime is 97914433. The reversal of 97914420 is 2441979.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5214 + ... + 14933.

It is an arithmetic number, because the mean of its divisors is an integer number (4278092).

Almost surely, 2^97914420 is an apocalyptic number.

97914420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

97914420 is an abundant number, since it is smaller than the sum of its proper divisors (210108204).

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

97914420 is a wasteful number, since it uses less digits than its factorization.

97914420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20171 (or 20157 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 97914420 is about 9895.1715498014. The cubic root of 97914420 is about 460.9093856528.

Subtracting from 97914420 its reverse (2441979), we obtain a square (95472441 = 9771²).

The spelling of 97914420 in words is "ninety-seven million, nine hundred fourteen thousand, four hundred twenty".