90642350 has 24 divisors (see below), whose sum is σ = 177470040. Its totient is φ = 34348320.

The previous prime is 90642337. The next prime is 90642373. The reversal of 90642350 is 5324609.

It is a super-2 number, since 2×90642350² = 16432071227045000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46757 + ... + 48656.

It is an arithmetic number, because the mean of its divisors is an integer number (7394585).

Almost surely, 2^90642350 is an apocalyptic number.

90642350 is a deficient number, since it is larger than the sum of its proper divisors (86827690).

90642350 is a wasteful number, since it uses less digits than its factorization.

90642350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95444 (or 95439 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 90642350 is about 9520.6276053630. The cubic root of 90642350 is about 449.2041075782.

Adding to 90642350 its reverse (5324609), we get a palindrome (95966959).

The spelling of 90642350 in words is "ninety million, six hundred forty-two thousand, three hundred fifty".