612867 has 16 divisors (see below), whose sum is σ = 883872. Its totient is φ = 376320.

The previous prime is 612853. The next prime is 612869. The reversal of 612867 is 768216.

It is a happy number.

It is not a de Polignac number, because 612867 - 2⁸ = 612611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3013 + ... + 3209.

It is an arithmetic number, because the mean of its divisors is an integer number (55242).

2⁶¹²⁸⁶⁷ is an apocalyptic number.

612867 is a deficient number, since it is larger than the sum of its proper divisors (271005).

612867 is a wasteful number, since it uses less digits than its factorization.

612867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278.

The product of its digits is 4032, while the sum is 30.

The square root of 612867 is about 782.8582247125. The cubic root of 612867 is about 84.9419211091.

The spelling of 612867 in words is "six hundred twelve thousand, eight hundred sixty-seven".