84320998 has 4 divisors (see below), whose sum is σ = 126481500. Its totient is φ = 42160498.

The previous prime is 84320987. The next prime is 84321001. The reversal of 84320998 is 89902348.

It is a happy number.

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

It is a super-2 number, since 2×84320998² = 14220061407432008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21080248 + ... + 21080251.

It is an arithmetic number, because the mean of its divisors is an integer number (31620375).

Almost surely, 2^84320998 is an apocalyptic number.

84320998 is a deficient number, since it is larger than the sum of its proper divisors (42160502).

84320998 is a wasteful number, since it uses less digits than its factorization.

84320998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42160501.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 84320998 is about 9182.6465683919. The cubic root of 84320998 is about 438.5090687289.

The spelling of 84320998 in words is "eighty-four million, three hundred twenty thousand, nine hundred ninety-eight".