920708444 has 12 divisors (see below), whose sum is σ = 1654787064. Its totient is φ = 447912144.

The previous prime is 920708419. The next prime is 920708449. The reversal of 920708444 is 444807029.

It is a super-2 number, since 2×920708444² = 1695408077705802272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 920708398 and 920708407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920708449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3110354 + ... + 3110649.

It is an arithmetic number, because the mean of its divisors is an integer number (137898922).

Almost surely, 2^920708444 is an apocalyptic number.

It is an amenable number.

920708444 is a deficient number, since it is larger than the sum of its proper divisors (734078620).

920708444 is a wasteful number, since it uses less digits than its factorization.

920708444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221044 (or 6221042 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 920708444 is about 30343.1778823511. The cubic root of 920708444 is about 972.8384088034.

The spelling of 920708444 in words is "nine hundred twenty million, seven hundred eight thousand, four hundred forty-four".