89378040 has 32 divisors (see below), whose sum is σ = 268134480. Its totient is φ = 23834112.

The previous prime is 89378039. The next prime is 89378057. The reversal of 89378040 is 4087398.

It is a self number, because there is not a number n which added to its sum of digits gives 89378040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372289 + ... + 372528.

Almost surely, 2^89378040 is an apocalyptic number.

It is an amenable number.

89378040 is an abundant number, since it is smaller than the sum of its proper divisors (178756440).

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

89378040 is a wasteful number, since it uses less digits than its factorization.

89378040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744831 (or 744827 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 89378040 is about 9453.9959805365. The cubic root of 89378040 is about 447.1057710053.

The spelling of 89378040 in words is "eighty-nine million, three hundred seventy-eight thousand, forty".