390876413 has 4 divisors (see below), whose sum is σ = 404354940. Its totient is φ = 377397888.

The previous prime is 390876389. The next prime is 390876419. The reversal of 390876413 is 314678093.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 163379524 + 227496889 = 12782^2 + 15083^2 .

It is a cyclic number.

It is not a de Polignac number, because 390876413 - 2¹⁰ = 390875389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390876419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6739220 + ... + 6739277.

It is an arithmetic number, because the mean of its divisors is an integer number (101088735).

Almost surely, 2^390876413 is an apocalyptic number.

It is an amenable number.

390876413 is a deficient number, since it is larger than the sum of its proper divisors (13478527).

390876413 is a wasteful number, since it uses less digits than its factorization.

390876413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13478526.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 390876413 is about 19770.5946546886. The cubic root of 390876413 is about 731.1612299479.

The spelling of 390876413 in words is "three hundred ninety million, eight hundred seventy-six thousand, four hundred thirteen".