90948311 has 4 divisors (see below), whose sum is σ = 93063432. Its totient is φ = 88833192.

The previous prime is 90948301. The next prime is 90948359. The reversal of 90948311 is 11384909.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90948311 - 2¹⁰ = 90947287 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 (90948301) 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, 1057496 + ... + 1057581.

It is an arithmetic number, because the mean of its divisors is an integer number (23265858).

Almost surely, 2^90948311 is an apocalyptic number.

90948311 is a deficient number, since it is larger than the sum of its proper divisors (2115121).

90948311 is a wasteful number, since it uses less digits than its factorization.

90948311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115120.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 90948311 is about 9536.6823895944. The cubic root of 90948311 is about 449.7089657257.

The spelling of 90948311 in words is "ninety million, nine hundred forty-eight thousand, three hundred eleven".