634377 has 8 divisors (see below), whose sum is σ = 854464. Its totient is φ = 418608.

The previous prime is 634373. The next prime is 634397. The reversal of 634377 is 773436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 634377 - 2² = 634373 is a prime.

It is a Duffinian number.

634377 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (634373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 1335.

It is an arithmetic number, because the mean of its divisors is an integer number (106808).

2⁶³⁴³⁷⁷ is an apocalyptic number.

It is an amenable number.

634377 is a deficient number, since it is larger than the sum of its proper divisors (220087).

634377 is a wasteful number, since it uses less digits than its factorization.

634377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159.

The product of its digits is 10584, while the sum is 30.

The square root of 634377 is about 796.4778716324. The cubic root of 634377 is about 85.9242617845.

The spelling of 634377 in words is "six hundred thirty-four thousand, three hundred seventy-seven".