390760 has 16 divisors (see below), whose sum is σ = 879300. Its totient is φ = 156288.

The previous prime is 390751. The next prime is 390763. The reversal of 390760 is 67093.

390760 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 381924 + 8836 = 618^2 + 94^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390763) by changing a digit.

390760 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4845 + ... + 4924.

2³⁹⁰⁷⁶⁰ is an apocalyptic number.

It is an amenable number.

390760 is an abundant number, since it is smaller than the sum of its proper divisors (488540).

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

390760 is a wasteful number, since it uses less digits than its factorization.

390760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9780 (or 9776 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 390760 is about 625.1079906704. The cubic root of 390760 is about 73.1088636565.

The spelling of 390760 in words is "three hundred ninety thousand, seven hundred sixty".