90838711 has 4 divisors (see below), whose sum is σ = 93769024. Its totient is φ = 87908400.

The previous prime is 90838679. The next prime is 90838717. The reversal of 90838711 is 11783809.

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 90838711 - 2⁵ = 90838679 is a prime.

It is a super-2 number, since 2×90838711² = 16503342832283042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90838717) 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, 1465110 + ... + 1465171.

It is an arithmetic number, because the mean of its divisors is an integer number (23442256).

Almost surely, 2^90838711 is an apocalyptic number.

90838711 is a deficient number, since it is larger than the sum of its proper divisors (2930313).

90838711 is a wasteful number, since it uses less digits than its factorization.

90838711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930312.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 90838711 is about 9530.9344242839. The cubic root of 90838711 is about 449.5282480042.

The spelling of 90838711 in words is "ninety million, eight hundred thirty-eight thousand, seven hundred eleven".