90438476 has 12 divisors (see below), whose sum is σ = 160630008. Its totient is φ = 44544192.

The previous prime is 90438473. The next prime is 90438479. The reversal of 90438476 is 67483409.

It is an interprime number because it is at equal distance from previous prime (90438473) and next prime (90438479).

It is not an unprimeable number, because it can be changed into a prime (90438473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168461 + ... + 168996.

It is an arithmetic number, because the mean of its divisors is an integer number (13385834).

Almost surely, 2^90438476 is an apocalyptic number.

It is an amenable number.

90438476 is a deficient number, since it is larger than the sum of its proper divisors (70191532).

90438476 is a wasteful number, since it uses less digits than its factorization.

90438476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337528 (or 337526 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 90438476 is about 9509.9146158102. The cubic root of 90438476 is about 448.8670694427.

The spelling of 90438476 in words is "ninety million, four hundred thirty-eight thousand, four hundred seventy-six".