914639 has 6 divisors (see below), whose sum is σ = 1005480. Its totient is φ = 831380.

The previous prime is 914629. The next prime is 914647. The reversal of 914639 is 936419.

It is not a de Polignac number, because 914639 - 2¹⁶ = 849103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 914639.

It is not an unprimeable number, because it can be changed into a prime (914609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3659 + ... + 3900.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

2⁹¹⁴⁶³⁹ is an apocalyptic number.

914639 is a deficient number, since it is larger than the sum of its proper divisors (90841).

914639 is a wasteful number, since it uses less digits than its factorization.

914639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7581 (or 7570 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 914639 is about 956.3676071470. The cubic root of 914639 is about 97.0695996750.

The spelling of 914639 in words is "nine hundred fourteen thousand, six hundred thirty-nine".