90835401 has 4 divisors (see below), whose sum is σ = 121113872. Its totient is φ = 60556932.

The previous prime is 90835361. The next prime is 90835427. The reversal of 90835401 is 10453809.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 90835401 - 2⁷ = 90835273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90835501) 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, 15139231 + ... + 15139236.

It is an arithmetic number, because the mean of its divisors is an integer number (30278468).

Almost surely, 2^90835401 is an apocalyptic number.

It is an amenable number.

90835401 is a deficient number, since it is larger than the sum of its proper divisors (30278471).

90835401 is a wasteful number, since it uses less digits than its factorization.

90835401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30278470.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 90835401 is about 9530.7607776085. The cubic root of 90835401 is about 449.5227879364.

The spelling of 90835401 in words is "ninety million, eight hundred thirty-five thousand, four hundred one".