9920894 has 8 divisors (see below), whose sum is σ = 15756768. Its totient is φ = 4668640.

The previous prime is 9920881. The next prime is 9920903. The reversal of 9920894 is 4980299.

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

It is a super-3 number, since 3×9920894³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

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, 145862 + ... + 145929.

It is an arithmetic number, because the mean of its divisors is an integer number (1969596).

Almost surely, 2^9920894 is an apocalyptic number.

9920894 is a deficient number, since it is larger than the sum of its proper divisors (5835874).

9920894 is a wasteful number, since it uses less digits than its factorization.

9920894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291810.

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

The square root of 9920894 is about 3149.7450690492. The cubic root of 9920894 is about 214.8738686903.

The spelling of 9920894 in words is "nine million, nine hundred twenty thousand, eight hundred ninety-four".