90679320 has 48 divisors (see below), whose sum is σ = 294708960. Its totient is φ = 24181056.

The previous prime is 90679319. The next prime is 90679327. The reversal of 90679320 is 2397609.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90679327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125584 + ... + 126303.

It is an arithmetic number, because the mean of its divisors is an integer number (6139770).

Almost surely, 2^90679320 is an apocalyptic number.

90679320 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

90679320 is an abundant number, since it is smaller than the sum of its proper divisors (204029640).

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

90679320 is a wasteful number, since it uses less digits than its factorization.

90679320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251904 (or 251897 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 90679320 is about 9522.5689811101. The cubic root of 90679320 is about 449.2651710823.

The spelling of 90679320 in words is "ninety million, six hundred seventy-nine thousand, three hundred twenty".