85092399 has 48 divisors (see below), whose sum is σ = 145626624. Its totient is φ = 46872000.

The previous prime is 85092389. The next prime is 85092407. The reversal of 85092399 is 99329058.

It is not a de Polignac number, because 85092399 - 2⁵ = 85092367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85092379) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 273454 + ... + 273764.

It is an arithmetic number, because the mean of its divisors is an integer number (3033888).

Almost surely, 2^85092399 is an apocalyptic number.

85092399 is a deficient number, since it is larger than the sum of its proper divisors (60534225).

85092399 is a wasteful number, since it uses less digits than its factorization.

85092399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 85092399 is about 9224.5541355667. The cubic root of 85092399 is about 439.8422282138.

It can be divided in two parts, 85092 and 399, that added together give a triangular number (85491 = T₄₁₃).

The spelling of 85092399 in words is "eighty-five million, ninety-two thousand, three hundred ninety-nine".