614864 has 20 divisors (see below), whose sum is σ = 1208256. Its totient is φ = 303072.

The previous prime is 614863. The next prime is 614881. The reversal of 614864 is 468416.

614864 is nontrivially palindromic in base 7.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614863) 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, 1097 + ... + 1559.

2⁶¹⁴⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

614864 is a deficient number, since it is larger than the sum of its proper divisors (593392).

614864 is a wasteful number, since it uses less digits than its factorization.

614864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 548 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 614864 is about 784.1326418407. The cubic root of 614864 is about 85.0340809124.

The spelling of 614864 in words is "six hundred fourteen thousand, eight hundred sixty-four".