90334857 has 16 divisors (see below), whose sum is σ = 122072832. Its totient is φ = 59415120.

The previous prime is 90334831. The next prime is 90334859. The reversal of 90334857 is 75843309.

It is not a de Polignac number, because 90334857 - 2¹⁰ = 90333833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90334859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110982 + ... + 111792.

It is an arithmetic number, because the mean of its divisors is an integer number (7629552).

Almost surely, 2^90334857 is an apocalyptic number.

It is an amenable number.

90334857 is a deficient number, since it is larger than the sum of its proper divisors (31737975).

90334857 is a wasteful number, since it uses less digits than its factorization.

90334857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 90334857 is about 9504.4651085687. The cubic root of 90334857 is about 448.6955755775.

The spelling of 90334857 in words is "ninety million, three hundred thirty-four thousand, eight hundred fifty-seven".