90947417 has 16 divisors (see below), whose sum is σ = 101647872. Its totient is φ = 80670720.

The previous prime is 90947413. The next prime is 90947429. The reversal of 90947417 is 71474909.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 90947417 - 2² = 90947413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90947413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149528 + ... + 150134.

It is an arithmetic number, because the mean of its divisors is an integer number (6352992).

Almost surely, 2^90947417 is an apocalyptic number.

It is an amenable number.

90947417 is a deficient number, since it is larger than the sum of its proper divisors (10700455).

90947417 is a wasteful number, since it uses less digits than its factorization.

90947417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 90947417 is about 9536.6355178333. The cubic root of 90947417 is about 449.7074922106.

The spelling of 90947417 in words is "ninety million, nine hundred forty-seven thousand, four hundred seventeen".