90503961 has 8 divisors (see below), whose sum is σ = 123933504. Its totient is φ = 58705200.

The previous prime is 90503953. The next prime is 90503969. The reversal of 90503961 is 16930509.

It is an interprime number because it is at equal distance from previous prime (90503953) and next prime (90503969).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90503961 - 2³ = 90503953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90503969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407565 + ... + 407786.

It is an arithmetic number, because the mean of its divisors is an integer number (15491688).

Almost surely, 2^90503961 is an apocalyptic number.

It is an amenable number.

90503961 is a deficient number, since it is larger than the sum of its proper divisors (33429543).

90503961 is a wasteful number, since it uses less digits than its factorization.

90503961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815391.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 90503961 is about 9513.3569784803. The cubic root of 90503961 is about 448.9753823703.

The spelling of 90503961 in words is "ninety million, five hundred three thousand, nine hundred sixty-one".