373833989 has 2 divisors, whose sum is σ = 373833990. Its totient is φ = 373833988.

The previous prime is 373833923. The next prime is 373834007. The reversal of 373833989 is 989338373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195077089 + 178756900 = 13967^2 + 13370^2 .

It is a cyclic number.

It is not a de Polignac number, because 373833989 - 2¹² = 373829893 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 373833989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373835989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186916994 + 186916995.

It is an arithmetic number, because the mean of its divisors is an integer number (186916995).

Almost surely, 2^373833989 is an apocalyptic number.

It is an amenable number.

373833989 is a deficient number, since it is larger than the sum of its proper divisors (1).

373833989 is an equidigital number, since it uses as much as digits as its factorization.

373833989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 53.

The square root of 373833989 is about 19334.7870171874. The cubic root of 373833989 is about 720.3765963253.

The spelling of 373833989 in words is "three hundred seventy-three million, eight hundred thirty-three thousand, nine hundred eighty-nine".