377305389 has 6 divisors (see below), whose sum is σ = 544996686. Its totient is φ = 251536920.

The previous prime is 377305387. The next prime is 377305417. The reversal of 377305389 is 983503773.

It can be written as a sum of positive squares in only one way, i.e., 312228900 + 65076489 = 17670^2 + 8067^2 .

It is not a de Polignac number, because 377305389 - 2¹ = 377305387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377305381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20961402 + ... + 20961419.

It is an arithmetic number, because the mean of its divisors is an integer number (90832781).

Almost surely, 2^377305389 is an apocalyptic number.

It is an amenable number.

377305389 is a deficient number, since it is larger than the sum of its proper divisors (167691297).

377305389 is a wasteful number, since it uses less digits than its factorization.

377305389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41922827 (or 41922824 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 377305389 is about 19424.3504138491. The cubic root of 377305389 is about 722.5995210984.

The spelling of 377305389 in words is "three hundred seventy-seven million, three hundred five thousand, three hundred eighty-nine".