377428 has 12 divisors (see below), whose sum is σ = 665812. Its totient is φ = 187200.

The previous prime is 377393. The next prime is 377459. The reversal of 377428 is 824773.

It can be written as a sum of positive squares in 2 ways, for example, as 219024 + 158404 = 468^2 + 398^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 377428.

It is a congruent number.

It is an unprimeable number.

377428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328 + ... + 928.

2³⁷⁷⁴²⁸ is an apocalyptic number.

It is an amenable number.

377428 is a deficient number, since it is larger than the sum of its proper divisors (288384).

377428 is a wasteful number, since it uses less digits than its factorization.

377428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 760 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 377428 is about 614.3516908091. The cubic root of 377428 is about 72.2677785777.

The spelling of 377428 in words is "three hundred seventy-seven thousand, four hundred twenty-eight".