90464497 has 8 divisors (see below), whose sum is σ = 99950976. Its totient is φ = 81440832.

The previous prime is 90464471. The next prime is 90464503. The reversal of 90464497 is 79446409.

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 90464497 - 2¹⁵ = 90431729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90464197) 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, 115293 + ... + 116074.

It is an arithmetic number, because the mean of its divisors is an integer number (12493872).

Almost surely, 2^90464497 is an apocalyptic number.

It is an amenable number.

90464497 is a deficient number, since it is larger than the sum of its proper divisors (9486479).

90464497 is a wasteful number, since it uses less digits than its factorization.

90464497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231407.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 90464497 is about 9511.2826159252. The cubic root of 90464497 is about 448.9101147280.

The spelling of 90464497 in words is "ninety million, four hundred sixty-four thousand, four hundred ninety-seven".