612634 has 8 divisors (see below), whose sum is σ = 1002528. Its totient is φ = 278460.

The previous prime is 612613. The next prime is 612637. The reversal of 612634 is 436216.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 27847 = 612634 / (6 + 1 + 2 + 6 + 3 + 4).

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (612637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13902 + ... + 13945.

It is an arithmetic number, because the mean of its divisors is an integer number (125316).

2⁶¹²⁶³⁴ is an apocalyptic number.

612634 is a deficient number, since it is larger than the sum of its proper divisors (389894).

612634 is a wasteful number, since it uses less digits than its factorization.

612634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27860.

The product of its digits is 864, while the sum is 22.

The square root of 612634 is about 782.7093969028. The cubic root of 612634 is about 84.9311553278.

The spelling of 612634 in words is "six hundred twelve thousand, six hundred thirty-four".