390514345 has 8 divisors (see below), whose sum is σ = 504664776. Its totient is φ = 288379776.

The previous prime is 390514331. The next prime is 390514351. The reversal of 390514345 is 543415093.

It can be written as a sum of positive squares in 4 ways, for example, as 6471936 + 384042409 = 2544^2 + 19597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 390514345 - 2¹⁵ = 390481577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 390514345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003892 + ... + 3004021.

It is an arithmetic number, because the mean of its divisors is an integer number (63083097).

Almost surely, 2^390514345 is an apocalyptic number.

It is an amenable number.

390514345 is a deficient number, since it is larger than the sum of its proper divisors (114150431).

390514345 is a wasteful number, since it uses less digits than its factorization.

390514345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6007931.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 390514345 is about 19761.4358030989. The cubic root of 390514345 is about 730.9354025021.

The spelling of 390514345 in words is "three hundred ninety million, five hundred fourteen thousand, three hundred forty-five".