390827397 has 8 divisors (see below), whose sum is σ = 548529760. Its totient is φ = 246838320.

The previous prime is 390827389. The next prime is 390827401. The reversal of 390827397 is 793728093.

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

It is not a de Polignac number, because 390827397 - 2³ = 390827389 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 (390827317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3428254 + ... + 3428367.

It is an arithmetic number, because the mean of its divisors is an integer number (68566220).

Almost surely, 2^390827397 is an apocalyptic number.

It is an amenable number.

390827397 is a deficient number, since it is larger than the sum of its proper divisors (157702363).

390827397 is a wasteful number, since it uses less digits than its factorization.

390827397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856643.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 390827397 is about 19769.3549970655. The cubic root of 390827397 is about 731.1306660699.

The spelling of 390827397 in words is "three hundred ninety million, eight hundred twenty-seven thousand, three hundred ninety-seven".