390965452 has 6 divisors (see below), whose sum is σ = 684189548. Its totient is φ = 195482724.

The previous prime is 390965437. The next prime is 390965453. The reversal of 390965452 is 254569093.

It is a junction number, because it is equal to n+sod(n) for n = 390965399 and 390965408.

It is not an unprimeable number, because it can be changed into a prime (390965453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48870678 + ... + 48870685.

Almost surely, 2^390965452 is an apocalyptic number.

It is an amenable number.

390965452 is a deficient number, since it is larger than the sum of its proper divisors (293224096).

390965452 is a wasteful number, since it uses less digits than its factorization.

390965452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97741367 (or 97741365 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 390965452 is about 19772.8463302581. The cubic root of 390965452 is about 731.2167435919.

The spelling of 390965452 in words is "three hundred ninety million, nine hundred sixty-five thousand, four hundred fifty-two".