614989 has 4 divisors (see below), whose sum is σ = 621180. Its totient is φ = 608800.

The previous prime is 614983. The next prime is 615019. The reversal of 614989 is 989416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 396900 + 218089 = 630^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 614989 - 2³ = 614981 is a prime.

It is a super-2 number, since 2×614989² = 756422940242, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614981) 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, 2944 + ... + 3145.

It is an arithmetic number, because the mean of its divisors is an integer number (155295).

2⁶¹⁴⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

614989 is a deficient number, since it is larger than the sum of its proper divisors (6191).

614989 is a wasteful number, since it uses less digits than its factorization.

614989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6190.

The product of its digits is 15552, while the sum is 37.

The square root of 614989 is about 784.2123436927. The cubic root of 614989 is about 85.0398429128.

It can be divided in two parts, 61 and 4989, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 614989 in words is "six hundred fourteen thousand, nine hundred eighty-nine".