396738555 has 8 divisors (see below), whose sum is σ = 634781712. Its totient is φ = 211593888.

The previous prime is 396738533. The next prime is 396738581. The reversal of 396738555 is 555837693.

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

It is not a de Polignac number, because 396738555 - 2⁶ = 396738491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 396738498 and 396738507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13224604 + ... + 13224633.

It is an arithmetic number, because the mean of its divisors is an integer number (79347714).

Almost surely, 2^396738555 is an apocalyptic number.

396738555 is a deficient number, since it is larger than the sum of its proper divisors (238043157).

396738555 is a wasteful number, since it uses less digits than its factorization.

396738555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26449245.

The product of its digits is 3402000, while the sum is 51.

The square root of 396738555 is about 19918.2969904558. The cubic root of 396738555 is about 734.7982879305.

The spelling of 396738555 in words is "three hundred ninety-six million, seven hundred thirty-eight thousand, five hundred fifty-five".