89378390 has 16 divisors (see below), whose sum is σ = 162041040. Its totient is φ = 35493600.

The previous prime is 89378371. The next prime is 89378407. The reversal of 89378390 is 9387398.

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, 30761 + ... + 33540.

It is an arithmetic number, because the mean of its divisors is an integer number (10127565).

Almost surely, 2^89378390 is an apocalyptic number.

89378390 is a deficient number, since it is larger than the sum of its proper divisors (72662650).

89378390 is a wasteful number, since it uses less digits than its factorization.

89378390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64447.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 89378390 is about 9454.0144912095. The cubic root of 89378390 is about 447.1063546192.

The spelling of 89378390 in words is "eighty-nine million, three hundred seventy-eight thousand, three hundred ninety".