84399046 has 4 divisors (see below), whose sum is σ = 126598572. Its totient is φ = 42199522.

The previous prime is 84399017. The next prime is 84399047. The reversal of 84399046 is 64099348.

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

It is a junction number, because it is equal to n+sod(n) for n = 84398993 and 84399011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84399047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21099760 + ... + 21099763.

It is an arithmetic number, because the mean of its divisors is an integer number (31649643).

Almost surely, 2^84399046 is an apocalyptic number.

84399046 is a deficient number, since it is larger than the sum of its proper divisors (42199526).

84399046 is a wasteful number, since it uses less digits than its factorization.

84399046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42199525.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 84399046 is about 9186.8953406469. The cubic root of 84399046 is about 438.6443225111.

The spelling of 84399046 in words is "eighty-four million, three hundred ninety-nine thousand, forty-six".