376989973 has 2 divisors, whose sum is σ = 376989974. Its totient is φ = 376989972.

The previous prime is 376989947. The next prime is 376989983. The reversal of 376989973 is 379989673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254179249 + 122810724 = 15943^2 + 11082^2 .

It is a cyclic number.

It is not a de Polignac number, because 376989973 - 2⁹ = 376989461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (376989913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188494986 + 188494987.

It is an arithmetic number, because the mean of its divisors is an integer number (188494987).

Almost surely, 2^376989973 is an apocalyptic number.

It is an amenable number.

376989973 is a deficient number, since it is larger than the sum of its proper divisors (1).

376989973 is an equidigital number, since it uses as much as digits as its factorization.

376989973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15431472, while the sum is 61.

The square root of 376989973 is about 19416.2296288440. The cubic root of 376989973 is about 722.3981077800.

The spelling of 376989973 in words is "three hundred seventy-six million, nine hundred eighty-nine thousand, nine hundred seventy-three".