93194921 has 2 divisors, whose sum is σ = 93194922. Its totient is φ = 93194920.

The previous prime is 93194903. The next prime is 93194929. The reversal of 93194921 is 12949139.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64722025 + 28472896 = 8045^2 + 5336^2 .

It is a cyclic number.

It is not a de Polignac number, because 93194921 - 2²⁶ = 26086057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93194929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46597460 + 46597461.

It is an arithmetic number, because the mean of its divisors is an integer number (46597461).

Almost surely, 2^93194921 is an apocalyptic number.

It is an amenable number.

93194921 is a deficient number, since it is larger than the sum of its proper divisors (1).

93194921 is an equidigital number, since it uses as much as digits as its factorization.

93194921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 38.

The square root of 93194921 is about 9653.7516541498. The cubic root of 93194921 is about 453.3817991124.

The spelling of 93194921 in words is "ninety-three million, one hundred ninety-four thousand, nine hundred twenty-one".