85902930 has 192 divisors, whose sum is σ = 254741760. Its totient is φ = 20756736.

The previous prime is 85902919. The next prime is 85902931. The reversal of 85902930 is 3920958.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85902931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1620784 + ... + 1620836.

It is an arithmetic number, because the mean of its divisors is an integer number (1326780).

Almost surely, 2^85902930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85902930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127370880).

85902930 is an abundant number, since it is smaller than the sum of its proper divisors (168838830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85902930 is a wasteful number, since it uses less digits than its factorization.

85902930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 85902930 is about 9268.3833541778. The cubic root of 85902930 is about 441.2343610622.

The spelling of 85902930 in words is "eighty-five million, nine hundred two thousand, nine hundred thirty".