639314 has 16 divisors (see below), whose sum is σ = 1051008. Its totient is φ = 289872.

The previous prime is 639311. The next prime is 639329. The reversal of 639314 is 413936.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 639314.

It is not an unprimeable number, because it can be changed into a prime (639311) 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, 1559 + ... + 1925.

It is an arithmetic number, because the mean of its divisors is an integer number (65688).

2⁶³⁹³¹⁴ is an apocalyptic number.

639314 is a deficient number, since it is larger than the sum of its proper divisors (411694).

639314 is a wasteful number, since it uses less digits than its factorization.

639314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449.

The product of its digits is 1944, while the sum is 26.

The square root of 639314 is about 799.5711350468. The cubic root of 639314 is about 86.1465861311.

The spelling of 639314 in words is "six hundred thirty-nine thousand, three hundred fourteen".