93997140 has 48 divisors (see below), whose sum is σ = 269320128. Its totient is φ = 24482304.

The previous prime is 93997139. The next prime is 93997147. The reversal of 93997140 is 4179939.

It is a junction number, because it is equal to n+sod(n) for n = 93997092 and 93997101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93997147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15637 + ... + 20796.

It is an arithmetic number, because the mean of its divisors is an integer number (5610836).

Almost surely, 2^93997140 is an apocalyptic number.

It is an amenable number.

93997140 is an abundant number, since it is smaller than the sum of its proper divisors (175322988).

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

93997140 is a wasteful number, since it uses less digits than its factorization.

93997140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36488 (or 36486 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 93997140 is about 9695.2122204725. The cubic root of 93997140 is about 454.6789830008.

The spelling of 93997140 in words is "ninety-three million, nine hundred ninety-seven thousand, one hundred forty".