85961934 has 24 divisors (see below), whose sum is σ = 186535440. Its totient is φ = 28610208.

The previous prime is 85961933. The next prime is 85961951. The reversal of 85961934 is 43916958.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85961934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85961933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9802 + ... + 16370.

It is an arithmetic number, because the mean of its divisors is an integer number (7772310).

Almost surely, 2^85961934 is an apocalyptic number.

85961934 is an abundant number, since it is smaller than the sum of its proper divisors (100573506).

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

85961934 is a wasteful number, since it uses less digits than its factorization.

85961934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304 (or 7301 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 85961934 is about 9271.5658871628. The cubic root of 85961934 is about 441.3353612405.

The spelling of 85961934 in words is "eighty-five million, nine hundred sixty-one thousand, nine hundred thirty-four".