614391044 has 6 divisors (see below), whose sum is σ = 1075184334. Its totient is φ = 307195520.

The previous prime is 614391007. The next prime is 614391059. The reversal of 614391044 is 440193416.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 585640000 + 28751044 = 24200^2 + 5362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 614391044.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76798877 + ... + 76798884.

It is an arithmetic number, because the mean of its divisors is an integer number (179197389).

Almost surely, 2^614391044 is an apocalyptic number.

It is an amenable number.

614391044 is a deficient number, since it is larger than the sum of its proper divisors (460793290).

614391044 is a wasteful number, since it uses less digits than its factorization.

614391044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153597765 (or 153597763 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 614391044 is about 24786.9127565334. The cubic root of 614391044 is about 850.1227246098.

The spelling of 614391044 in words is "six hundred fourteen million, three hundred ninety-one thousand, forty-four".