90418063 has 8 divisors (see below), whose sum is σ = 91272960. Its totient is φ = 89567520.

The previous prime is 90418057. The next prime is 90418067. The reversal of 90418063 is 36081409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90418063 - 2¹³ = 90409871 is a prime.

It is a super-2 number, since 2×90418063² = 16350852233343938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90418067) 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, 52053 + ... + 53761.

It is an arithmetic number, because the mean of its divisors is an integer number (11409120).

Almost surely, 2^90418063 is an apocalyptic number.

90418063 is a deficient number, since it is larger than the sum of its proper divisors (854897).

90418063 is a wasteful number, since it uses less digits than its factorization.

90418063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 90418063 is about 9508.8413069101. The cubic root of 90418063 is about 448.8332954217.

The spelling of 90418063 in words is "ninety million, four hundred eighteen thousand, sixty-three".