86990435 has 12 divisors (see below), whose sum is σ = 121431888. Its totient is φ = 59650416.

The previous prime is 86990413. The next prime is 86990443. The reversal of 86990435 is 53409968.

It is not a de Polignac number, because 86990435 - 2⁸ = 86990179 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177287 + ... + 177776.

It is an arithmetic number, because the mean of its divisors is an integer number (10119324).

Almost surely, 2^86990435 is an apocalyptic number.

86990435 is a deficient number, since it is larger than the sum of its proper divisors (34441453).

86990435 is a wasteful number, since it uses less digits than its factorization.

86990435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355082 (or 355075 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 86990435 is about 9326.8663011753. The cubic root of 86990435 is about 443.0885228882.

It can be divided in two parts, 86990 and 435, that multiplied together give a triangular number (37840650 = T₈₆₉₉).

The spelling of 86990435 in words is "eighty-six million, nine hundred ninety thousand, four hundred thirty-five".