920090894 has 8 divisors (see below), whose sum is σ = 1409501088. Its totient is φ = 450257200.

The previous prime is 920090893. The next prime is 920090929. The reversal of 920090894 is 498090029.

920090894 = 15165² + 15166² + ... + 15168².

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920090893) 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, 4894007 + ... + 4894194.

It is an arithmetic number, because the mean of its divisors is an integer number (176187636).

Almost surely, 2^920090894 is an apocalyptic number.

920090894 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

920090894 is a deficient number, since it is larger than the sum of its proper divisors (489410194).

920090894 is a wasteful number, since it uses less digits than its factorization.

920090894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788250.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 920090894 is about 30333.0000824185. Note that the first 4 decimals coincide. The cubic root of 920090894 is about 972.6208550513.

The spelling of 920090894 in words is "nine hundred twenty million, ninety thousand, eight hundred ninety-four".