94690921 has 8 divisors (see below), whose sum is σ = 102061064. Its totient is φ = 87333120.

The previous prime is 94690919. The next prime is 94690933. The reversal of 94690921 is 12909649.

It can be written as a sum of positive squares in 4 ways, for example, as 212521 + 94478400 = 461^2 + 9720^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 94690921 - 2¹ = 94690919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94690961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18481 + ... + 23041.

It is an arithmetic number, because the mean of its divisors is an integer number (12757633).

Almost surely, 2^94690921 is an apocalyptic number.

It is an amenable number.

94690921 is a deficient number, since it is larger than the sum of its proper divisors (7370143).

94690921 is a wasteful number, since it uses less digits than its factorization.

94690921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 94690921 is about 9730.9260093786. The cubic root of 94690921 is about 455.7948847302.

The spelling of 94690921 in words is "ninety-four million, six hundred ninety thousand, nine hundred twenty-one".