390710742 has 16 divisors (see below), whose sum is σ = 783890352. Its totient is φ = 129825440.

The previous prime is 390710717. The next prime is 390710743. The reversal of 390710742 is 247017093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390710743) 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, 100809 + ... + 104612.

It is an arithmetic number, because the mean of its divisors is an integer number (48993147).

Almost surely, 2^390710742 is an apocalyptic number.

390710742 is an abundant number, since it is smaller than the sum of its proper divisors (393179610).

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

390710742 is a wasteful number, since it uses less digits than its factorization.

390710742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205743.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 390710742 is about 19766.4043771243. The cubic root of 390710742 is about 731.0579156812.

The spelling of 390710742 in words is "three hundred ninety million, seven hundred ten thousand, seven hundred forty-two".