84008942 has 4 divisors (see below), whose sum is σ = 126013416. Its totient is φ = 42004470.

The previous prime is 84008941. The next prime is 84008957. The reversal of 84008942 is 24980048.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84008941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002234 + ... + 21002237.

It is an arithmetic number, because the mean of its divisors is an integer number (31503354).

Almost surely, 2^84008942 is an apocalyptic number.

84008942 is a deficient number, since it is larger than the sum of its proper divisors (42004474).

84008942 is a wasteful number, since it uses less digits than its factorization.

84008942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42004473.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 84008942 is about 9165.6392030234. The cubic root of 84008942 is about 437.9674537787.

The spelling of 84008942 in words is "eighty-four million, eight thousand, nine hundred forty-two".