90593401 has 4 divisors (see below), whose sum is σ = 91067904. Its totient is φ = 90118900.

The previous prime is 90593381. The next prime is 90593407. The reversal of 90593401 is 10439509.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10439509 = 1327 ⋅7867.

It is a cyclic number.

It is not a de Polignac number, because 90593401 - 2⁹ = 90592889 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90593407) 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, 236965 + ... + 237346.

It is an arithmetic number, because the mean of its divisors is an integer number (22766976).

Almost surely, 2^90593401 is an apocalyptic number.

It is an amenable number.

90593401 is a deficient number, since it is larger than the sum of its proper divisors (474503).

90593401 is a wasteful number, since it uses less digits than its factorization.

90593401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474502.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 90593401 is about 9518.0565768438. The cubic root of 90593401 is about 449.1232327587.

The spelling of 90593401 in words is "ninety million, five hundred ninety-three thousand, four hundred one".