90914901 has 16 divisors (see below), whose sum is σ = 151131648. Its totient is φ = 47228400.

The previous prime is 90914893. The next prime is 90914911. The reversal of 90914901 is 10941909.

It is not a de Polignac number, because 90914901 - 2³ = 90914893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90914911) 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, 196555 + ... + 197016.

It is an arithmetic number, because the mean of its divisors is an integer number (9445728).

Almost surely, 2^90914901 is an apocalyptic number.

It is an amenable number.

90914901 is a deficient number, since it is larger than the sum of its proper divisors (60216747).

90914901 is a wasteful number, since it uses less digits than its factorization.

90914901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393592.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 90914901 is about 9534.9305713256. The cubic root of 90914901 is about 449.6538918911.

The spelling of 90914901 in words is "ninety million, nine hundred fourteen thousand, nine hundred one".