396984694 has 4 divisors (see below), whose sum is σ = 595477044. Its totient is φ = 198492346.

The previous prime is 396984691. The next prime is 396984733. The reversal of 396984694 is 496489693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 496489693 = 7 ⋅70927099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396984691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99246172 + ... + 99246175.

It is an arithmetic number, because the mean of its divisors is an integer number (148869261).

Almost surely, 2^396984694 is an apocalyptic number.

396984694 is a deficient number, since it is larger than the sum of its proper divisors (198492350).

396984694 is a wasteful number, since it uses less digits than its factorization.

396984694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198492349.

The product of its digits is 10077696, while the sum is 58.

The square root of 396984694 is about 19924.4747484093. The cubic root of 396984694 is about 734.9502142840.

The spelling of 396984694 in words is "three hundred ninety-six million, nine hundred eighty-four thousand, six hundred ninety-four".