94379921 has 2 divisors, whose sum is σ = 94379922. Its totient is φ = 94379920.

The previous prime is 94379861. The next prime is 94379941. The reversal of 94379921 is 12997349.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54184321 + 40195600 = 7361^2 + 6340^2 .

It is a cyclic number.

It is not a de Polignac number, because 94379921 - 2²² = 90185617 is a prime.

It is not a weakly prime, because it can be changed into another prime (94379941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47189960 + 47189961.

It is an arithmetic number, because the mean of its divisors is an integer number (47189961).

Almost surely, 2^94379921 is an apocalyptic number.

It is an amenable number.

94379921 is a deficient number, since it is larger than the sum of its proper divisors (1).

94379921 is an equidigital number, since it uses as much as digits as its factorization.

94379921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 44.

The square root of 94379921 is about 9714.9328870559. The cubic root of 94379921 is about 455.2953377820.

The spelling of 94379921 in words is "ninety-four million, three hundred seventy-nine thousand, nine hundred twenty-one".