90465844 has 24 divisors (see below), whose sum is σ = 185347008. Its totient is φ = 37824960.

The previous prime is 90465841. The next prime is 90465847. The reversal of 90465844 is 44856409.

It is an interprime number because it is at equal distance from previous prime (90465841) and next prime (90465847).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 90465797 and 90465806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90465841) 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, 38254 + ... + 40549.

It is an arithmetic number, because the mean of its divisors is an integer number (7722792).

Almost surely, 2^90465844 is an apocalyptic number.

It is an amenable number.

90465844 is an abundant number, since it is smaller than the sum of its proper divisors (94881164).

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

90465844 is a wasteful number, since it uses less digits than its factorization.

90465844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78855 (or 78853 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 90465844 is about 9511.3534263006. The cubic root of 90465844 is about 448.9123427804.

The spelling of 90465844 in words is "ninety million, four hundred sixty-five thousand, eight hundred forty-four".