920678386 has 8 divisors (see below), whose sum is σ = 1381152240. Its totient is φ = 460294308.

The previous prime is 920678357. The next prime is 920678417. The reversal of 920678386 is 683876029.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17205 + ... + 46231.

It is an arithmetic number, because the mean of its divisors is an integer number (172644030).

Almost surely, 2^920678386 is an apocalyptic number.

920678386 is a deficient number, since it is larger than the sum of its proper divisors (460473854).

920678386 is a wasteful number, since it uses less digits than its factorization.

920678386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44888.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 920678386 is about 30342.6825775178. The cubic root of 920678386 is about 972.8278220662.

The spelling of 920678386 in words is "nine hundred twenty million, six hundred seventy-eight thousand, three hundred eighty-six".