396264993 has 8 divisors (see below), whose sum is σ = 530363328. Its totient is φ = 263171664.

The previous prime is 396264983. The next prime is 396265003. The reversal of 396264993 is 399462693.

It is an interprime number because it is at equal distance from previous prime (396264983) and next prime (396265003).

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

It is not a de Polignac number, because 396264993 - 2¹³ = 396256801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396264983) 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, 250330 + ... + 251907.

It is an arithmetic number, because the mean of its divisors is an integer number (66295416).

Almost surely, 2^396264993 is an apocalyptic number.

It is an amenable number.

396264993 is a deficient number, since it is larger than the sum of its proper divisors (134098335).

396264993 is a wasteful number, since it uses less digits than its factorization.

396264993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502503.

The product of its digits is 1889568, while the sum is 51.

The square root of 396264993 is about 19906.4058282755. The cubic root of 396264993 is about 734.5058106089.

The spelling of 396264993 in words is "three hundred ninety-six million, two hundred sixty-four thousand, nine hundred ninety-three".