90928968 has 32 divisors (see below), whose sum is σ = 244809600. Its totient is φ = 27978048.

The previous prime is 90928967. The next prime is 90928969. The reversal of 90928968 is 86982909.

It is an interprime number because it is at equal distance from previous prime (90928967) and next prime (90928969).

It is a super-4 number, since 4×90928968⁴ (a number of 33 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90928968.

It is not an unprimeable number, because it can be changed into a prime (90928963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145408 + ... + 146031.

It is an arithmetic number, because the mean of its divisors is an integer number (7650300).

Almost surely, 2^90928968 is an apocalyptic number.

It is an amenable number.

90928968 is an abundant number, since it is smaller than the sum of its proper divisors (153880632).

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

90928968 is a wasteful number, since it uses less digits than its factorization.

90928968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291461 (or 291457 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 90928968 is about 9535.6681989255. The cubic root of 90928968 is about 449.6770819110.

The spelling of 90928968 in words is "ninety million, nine hundred twenty-eight thousand, nine hundred sixty-eight".