396668753 has 8 divisors (see below), whose sum is σ = 429018408. Its totient is φ = 364581504.

The previous prime is 396668731. The next prime is 396668761. The reversal of 396668753 is 357866693.

It can be written as a sum of positive squares in 4 ways, for example, as 14348944 + 382319809 = 3788^2 + 19553^2 .

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 396668753 - 2⁶ = 396668689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 396668695 and 396668704.

It is not an unprimeable number, because it can be changed into a prime (396667753) 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, 62450 + ... + 68507.

It is an arithmetic number, because the mean of its divisors is an integer number (53627301).

Almost surely, 2^396668753 is an apocalyptic number.

It is an amenable number.

396668753 is a deficient number, since it is larger than the sum of its proper divisors (32349655).

396668753 is a wasteful number, since it uses less digits than its factorization.

396668753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131203.

The product of its digits is 4898880, while the sum is 53.

The square root of 396668753 is about 19916.5447053449. The cubic root of 396668753 is about 734.7551920446.

The spelling of 396668753 in words is "three hundred ninety-six million, six hundred sixty-eight thousand, seven hundred fifty-three".