396953081 has 8 divisors (see below), whose sum is σ = 464211264. Its totient is φ = 332332560.

The previous prime is 396953069. The next prime is 396953099. The reversal of 396953081 is 180359693.

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

It is not a de Polignac number, because 396953081 - 2⁶ = 396953017 is a prime.

It is a super-2 number, since 2×396953081² = 315143497030785122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396959081) 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, 659090 + ... + 659691.

It is an arithmetic number, because the mean of its divisors is an integer number (58026408).

Almost surely, 2^396953081 is an apocalyptic number.

It is an amenable number.

396953081 is a deficient number, since it is larger than the sum of its proper divisors (67258183).

396953081 is a wasteful number, since it uses less digits than its factorization.

396953081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318831.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 396953081 is about 19923.6814118275. The cubic root of 396953081 is about 734.9307050534.

The spelling of 396953081 in words is "three hundred ninety-six million, nine hundred fifty-three thousand, eighty-one".