390740614 has 16 divisors (see below), whose sum is σ = 677005776. Its totient is φ = 167161600.

The previous prime is 390740599. The next prime is 390740617. The reversal of 390740614 is 416047093.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 390740614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390740617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522007 + ... + 522754.

It is an arithmetic number, because the mean of its divisors is an integer number (42312861).

Almost surely, 2^390740614 is an apocalyptic number.

390740614 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

390740614 is a deficient number, since it is larger than the sum of its proper divisors (286265162).

390740614 is a wasteful number, since it uses less digits than its factorization.

390740614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044791.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 390740614 is about 19767.1599882229. The cubic root of 390740614 is about 731.0765463485.

It can be divided in two parts, 3907 and 40614, that added together give a square (44521 = 211²).

The spelling of 390740614 in words is "three hundred ninety million, seven hundred forty thousand, six hundred fourteen".