97671960 has 64 divisors (see below), whose sum is σ = 325576800. Its totient is φ = 26045568.

The previous prime is 97671941. The next prime is 97671967. The reversal of 97671960 is 6917679.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97671967) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 44139 + ... + 46298.

Almost surely, 2^97671960 is an apocalyptic number.

97671960 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

97671960 is an abundant number, since it is smaller than the sum of its proper divisors (227904840).

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

97671960 is a wasteful number, since it uses less digits than its factorization.

97671960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90457 (or 90447 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 97671960 is about 9882.9125261736. The cubic root of 97671960 is about 460.5286298235.

The spelling of 97671960 in words is "ninety-seven million, six hundred seventy-one thousand, nine hundred sixty".