427634 has 16 divisors (see below), whose sum is σ = 679320. Its totient is φ = 201600.

The previous prime is 427621. The next prime is 427681. The reversal of 427634 is 436724.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 426409 + 1225 = 653^2 + 35^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4184 + ... + 4284.

2⁴²⁷⁶³⁴ is an apocalyptic number.

427634 is a deficient number, since it is larger than the sum of its proper divisors (251686).

427634 is a wasteful number, since it uses less digits than its factorization.

427634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its digits is 4032, while the sum is 26.

The square root of 427634 is about 653.9373058635. The cubic root of 427634 is about 75.3397328384.

The spelling of 427634 in words is "four hundred twenty-seven thousand, six hundred thirty-four".