90951493 has 8 divisors (see below), whose sum is σ = 93231776. Its totient is φ = 88678800.

The previous prime is 90951473. The next prime is 90951517. The reversal of 90951493 is 39415909.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90951493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90951403) 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, 28183 + ... + 31243.

It is an arithmetic number, because the mean of its divisors is an integer number (11653972).

Almost surely, 2^90951493 is an apocalyptic number.

It is an amenable number.

90951493 is a deficient number, since it is larger than the sum of its proper divisors (2280283).

90951493 is a wasteful number, since it uses less digits than its factorization.

90951493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 90951493 is about 9536.8492176400. The cubic root of 90951493 is about 449.7142103063.

The spelling of 90951493 in words is "ninety million, nine hundred fifty-one thousand, four hundred ninety-three".