86394398 has 4 divisors (see below), whose sum is σ = 129591600. Its totient is φ = 43197198.

The previous prime is 86394397. The next prime is 86394409. The reversal of 86394398 is 89349368.

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 (86394397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21598598 + ... + 21598601.

It is an arithmetic number, because the mean of its divisors is an integer number (32397900).

Almost surely, 2^86394398 is an apocalyptic number.

86394398 is a deficient number, since it is larger than the sum of its proper divisors (43197202).

86394398 is a wasteful number, since it uses less digits than its factorization.

86394398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43197201.

The product of its digits is 1119744, while the sum is 50.

The square root of 86394398 is about 9294.8586863922. The cubic root of 86394398 is about 442.0742250264.

The spelling of 86394398 in words is "eighty-six million, three hundred ninety-four thousand, three hundred ninety-eight".