89378190 has 48 divisors (see below), whose sum is σ = 253511856. Its totient is φ = 21667200.

The previous prime is 89378167. The next prime is 89378213. The reversal of 89378190 is 9187398.

It is an interprime number because it is at equal distance from previous prime (89378167) and next prime (89378213).

It is a super-2 number, since 2×89378190² = 15976921695352200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44151 + ... + 46130.

It is an arithmetic number, because the mean of its divisors is an integer number (5281497).

Almost surely, 2^89378190 is an apocalyptic number.

89378190 is an abundant number, since it is smaller than the sum of its proper divisors (164133666).

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

89378190 is a wasteful number, since it uses less digits than its factorization.

89378190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90305 (or 90302 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 89378190 is about 9454.0039136865. The cubic root of 89378190 is about 447.1060211257.

The spelling of 89378190 in words is "eighty-nine million, three hundred seventy-eight thousand, one hundred ninety".