608691942 has 64 divisors (see below), whose sum is σ = 1428480000. Its totient is φ = 191592864.

The previous prime is 608691931. The next prime is 608691943. The reversal of 608691942 is 249196806.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608691943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392184 + ... + 393732.

It is an arithmetic number, because the mean of its divisors is an integer number (22320000).

Almost surely, 2^608691942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 608691942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714240000).

608691942 is an abundant number, since it is smaller than the sum of its proper divisors (819788058).

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

608691942 is a wasteful number, since it uses less digits than its factorization.

608691942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 608691942 is about 24671.6829989363. The cubic root of 608691942 is about 847.4859704781.

The spelling of 608691942 in words is "six hundred eight million, six hundred ninety-one thousand, nine hundred forty-two".