920734406 has 4 divisors (see below), whose sum is σ = 1381101612. Its totient is φ = 460367202.

The previous prime is 920734387. The next prime is 920734421. The reversal of 920734406 is 604437029.

920734406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 230183600 + ... + 230183603.

It is an arithmetic number, because the mean of its divisors is an integer number (345275403).

Almost surely, 2^920734406 is an apocalyptic number.

920734406 is a deficient number, since it is larger than the sum of its proper divisors (460367206).

920734406 is a wasteful number, since it uses less digits than its factorization.

920734406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460367205.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 920734406 is about 30343.6056855477. The cubic root of 920734406 is about 972.8475527018.

The spelling of 920734406 in words is "nine hundred twenty million, seven hundred thirty-four thousand, four hundred six".