90833385 has 16 divisors (see below), whose sum is σ = 145452096. Its totient is φ = 48404928.

The previous prime is 90833383. The next prime is 90833401. The reversal of 90833385 is 58333809.

It is not a de Polignac number, because 90833385 - 2¹ = 90833383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90833383) 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, 32202 + ... + 34908.

It is an arithmetic number, because the mean of its divisors is an integer number (9090756).

Almost surely, 2^90833385 is an apocalyptic number.

It is an amenable number.

90833385 is a deficient number, since it is larger than the sum of its proper divisors (54618711).

90833385 is a wasteful number, since it uses less digits than its factorization.

90833385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 90833385 is about 9530.6550142160. The cubic root of 90833385 is about 449.5194623437.

The spelling of 90833385 in words is "ninety million, eight hundred thirty-three thousand, three hundred eighty-five".