90839495 has 4 divisors (see below), whose sum is σ = 109007400. Its totient is φ = 72671592.

The previous prime is 90839467. The next prime is 90839519. The reversal of 90839495 is 59493809.

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 90839495 - 2¹⁰ = 90838471 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9083945 + ... + 9083954.

It is an arithmetic number, because the mean of its divisors is an integer number (27251850).

Almost surely, 2^90839495 is an apocalyptic number.

90839495 is a deficient number, since it is larger than the sum of its proper divisors (18167905).

90839495 is a wasteful number, since it uses less digits than its factorization.

90839495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18167904.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 90839495 is about 9530.9755534258. The cubic root of 90839495 is about 449.5295412456.

The spelling of 90839495 in words is "ninety million, eight hundred thirty-nine thousand, four hundred ninety-five".