939402486 has 72 divisors (see below), whose sum is σ = 2294807112. Its totient is φ = 275428800.

The previous prime is 939402463. The next prime is 939402487. The reversal of 939402486 is 684204939.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939402487) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 187810 + ... + 192746.

It is an arithmetic number, because the mean of its divisors is an integer number (31872321).

Almost surely, 2^939402486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 939402486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1147403556).

939402486 is an abundant number, since it is smaller than the sum of its proper divisors (1355404626).

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

939402486 is a wasteful number, since it uses less digits than its factorization.

939402486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018 (or 4984 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 939402486 is about 30649.6735056020. The cubic root of 939402486 is about 979.3785057094.

The spelling of 939402486 in words is "nine hundred thirty-nine million, four hundred two thousand, four hundred eighty-six".