90617941 has 4 divisors (see below), whose sum is σ = 90824800. Its totient is φ = 90411084.

The previous prime is 90617887. The next prime is 90617963. The reversal of 90617941 is 14971609.

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 a cyclic number.

It is not a de Polignac number, because 90617941 - 2¹¹ = 90615893 is a prime.

It is a super-2 number, since 2×90617941² = 16423222462158962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90617941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90617971) 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, 102771 + ... + 103648.

It is an arithmetic number, because the mean of its divisors is an integer number (22706200).

Almost surely, 2^90617941 is an apocalyptic number.

It is an amenable number.

90617941 is a deficient number, since it is larger than the sum of its proper divisors (206859).

90617941 is a wasteful number, since it uses less digits than its factorization.

90617941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206858.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 90617941 is about 9519.3456182660. The cubic root of 90617941 is about 449.1637820297.

The spelling of 90617941 in words is "ninety million, six hundred seventeen thousand, nine hundred forty-one".