42991962 has 16 divisors (see below), whose sum is σ = 92598240. Its totient is φ = 13228272.

The previous prime is 42991961. The next prime is 42991967. The reversal of 42991962 is 26919924.

It is not an unprimeable number, because it can be changed into a prime (42991961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275512 + ... + 275667.

It is an arithmetic number, because the mean of its divisors is an integer number (5787390).

Almost surely, 2^42991962 is an apocalyptic number.

42991962 is an abundant number, since it is smaller than the sum of its proper divisors (49606278).

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

42991962 is a wasteful number, since it uses less digits than its factorization.

42991962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551197.

The product of its digits is 69984, while the sum is 42.

The square root of 42991962 is about 6556.8256039032. The cubic root of 42991962 is about 350.3179749778.

The spelling of 42991962 in words is "forty-two million, nine hundred ninety-one thousand, nine hundred sixty-two".