84032398 has 4 divisors (see below), whose sum is σ = 126048600. Its totient is φ = 42016198.

The previous prime is 84032387. The next prime is 84032453. The reversal of 84032398 is 89323048.

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

It is a super-2 number, since 2×84032398² = 14122887827260808, 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, 21008098 + ... + 21008101.

It is an arithmetic number, because the mean of its divisors is an integer number (31512150).

Almost surely, 2^84032398 is an apocalyptic number.

84032398 is a deficient number, since it is larger than the sum of its proper divisors (42016202).

84032398 is a wasteful number, since it uses less digits than its factorization.

84032398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42016201.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 84032398 is about 9166.9186753238. The cubic root of 84032398 is about 438.0082113790.

It can be divided in two parts, 8403 and 2398, that added together give a palindrome (10801).

The spelling of 84032398 in words is "eighty-four million, thirty-two thousand, three hundred ninety-eight".