614988 has 36 divisors (see below), whose sum is σ = 1696968. Its totient is φ = 186240.

The previous prime is 614983. The next prime is 615019. The reversal of 614988 is 889416.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (614981) by changing a digit.

614988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381 + ... + 1172.

It is an arithmetic number, because the mean of its divisors is an integer number (47138).

2⁶¹⁴⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

614988 is an abundant number, since it is smaller than the sum of its proper divisors (1081980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

614988 is a wasteful number, since it uses less digits than its factorization.

614988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1569 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 614988 is about 784.2117061100. The cubic root of 614988 is about 85.0397968199.

The spelling of 614988 in words is "six hundred fourteen thousand, nine hundred eighty-eight".