390366461 has 6 divisors (see below), whose sum is σ = 414680250. Its totient is φ = 367403456.

The previous prime is 390366439. The next prime is 390366463. The reversal of 390366461 is 164663093.

It can be written as a sum of positive squares in 3 ways, for example, as 271425625 + 118940836 = 16475^2 + 10906^2 .

It is a de Polignac number, because none of the positive numbers 2^k-390366461 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 (390366463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 675086 + ... + 675663.

It is an arithmetic number, because the mean of its divisors is an integer number (69113375).

Almost surely, 2^390366461 is an apocalyptic number.

It is an amenable number.

390366461 is a deficient number, since it is larger than the sum of its proper divisors (24313789).

390366461 is a wasteful number, since it uses less digits than its factorization.

390366461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350783 (or 1350766 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 390366461 is about 19757.6937166259. The cubic root of 390366461 is about 730.8431248005.

The spelling of 390366461 in words is "three hundred ninety million, three hundred sixty-six thousand, four hundred sixty-one".