83940542 has 16 divisors (see below), whose sum is σ = 144147552. Its totient is φ = 35912160.

The previous prime is 83940517. The next prime is 83940551. The reversal of 83940542 is 24504938.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3692 + ... + 13472.

It is an arithmetic number, because the mean of its divisors is an integer number (9009222).

Almost surely, 2^83940542 is an apocalyptic number.

83940542 is a deficient number, since it is larger than the sum of its proper divisors (60207010).

83940542 is a wasteful number, since it uses less digits than its factorization.

83940542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10403.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 83940542 is about 9161.9071158793. The cubic root of 83940542 is about 437.8485572775.

The spelling of 83940542 in words is "eighty-three million, nine hundred forty thousand, five hundred forty-two".