634437 has 12 divisors (see below), whose sum is σ = 924300. Its totient is φ = 419328.

The previous prime is 634421. The next prime is 634441. The reversal of 634437 is 734436.

634437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 285156 + 349281 = 534^2 + 591^2 .

It is not a de Polignac number, because 634437 - 2⁴ = 634421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1189 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (77025).

2⁶³⁴⁴³⁷ is an apocalyptic number.

It is an amenable number.

634437 is a deficient number, since it is larger than the sum of its proper divisors (289863).

634437 is a wasteful number, since it uses less digits than its factorization.

634437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 609 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 634437 is about 796.5155365716. The cubic root of 634437 is about 85.9269706328.

Subtracting 634437 from its reverse (734436), we obtain a palindrome (99999).

It can be divided in two parts, 6 and 34437, that added together give a palindrome (34443).

The spelling of 634437 in words is "six hundred thirty-four thousand, four hundred thirty-seven".