90361401 has 16 divisors (see below), whose sum is σ = 132513024. Its totient is φ = 54422784.

The previous prime is 90361387. The next prime is 90361423. The reversal of 90361401 is 10416309.

It is not a de Polignac number, because 90361401 - 2¹⁰ = 90360377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90361441) 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, 22816 + ... + 26481.

It is an arithmetic number, because the mean of its divisors is an integer number (8282064).

Almost surely, 2^90361401 is an apocalyptic number.

It is an amenable number.

90361401 is a deficient number, since it is larger than the sum of its proper divisors (42151623).

90361401 is a wasteful number, since it uses less digits than its factorization.

90361401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49360.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 90361401 is about 9505.8614023138. The cubic root of 90361401 is about 448.7395195189.

The spelling of 90361401 in words is "ninety million, three hundred sixty-one thousand, four hundred one".