90406967 has 4 divisors (see below), whose sum is σ = 103322256. Its totient is φ = 77491680.

The previous prime is 90406909. The next prime is 90407011. The reversal of 90406967 is 76960409.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 90406967 - 2¹⁴ = 90390583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90406067) 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, 6457634 + ... + 6457647.

It is an arithmetic number, because the mean of its divisors is an integer number (25830564).

Almost surely, 2^90406967 is an apocalyptic number.

90406967 is a deficient number, since it is larger than the sum of its proper divisors (12915289).

90406967 is a wasteful number, since it uses less digits than its factorization.

90406967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12915288.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 90406967 is about 9508.2578320111. The cubic root of 90406967 is about 448.8149345698.

The spelling of 90406967 in words is "ninety million, four hundred six thousand, nine hundred sixty-seven".