396626417 has 8 divisors (see below), whose sum is σ = 447603840. Its totient is φ = 348135760.

The previous prime is 396626413. The next prime is 396626443. The reversal of 396626417 is 714626693.

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 396626417 - 2² = 396626413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396626411) 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, 621353 + ... + 621990.

It is an arithmetic number, because the mean of its divisors is an integer number (55950480).

Almost surely, 2^396626417 is an apocalyptic number.

It is an amenable number.

396626417 is a deficient number, since it is larger than the sum of its proper divisors (50977423).

396626417 is a wasteful number, since it uses less digits than its factorization.

396626417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243383.

The product of its digits is 326592, while the sum is 44.

The square root of 396626417 is about 19915.4818420243. The cubic root of 396626417 is about 734.7290512556.

The spelling of 396626417 in words is "three hundred ninety-six million, six hundred twenty-six thousand, four hundred seventeen".