401606355 has 16 divisors (see below), whose sum is σ = 664728480. Its totient is φ = 206803968.

The previous prime is 401606347. The next prime is 401606377. The reversal of 401606355 is 553606104.

It is not a de Polignac number, because 401606355 - 2³ = 401606347 is a prime.

It is a super-2 number, since 2×401606355² = 322575328752772050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461182 + ... + 462051.

It is an arithmetic number, because the mean of its divisors is an integer number (41545530).

Almost surely, 2^401606355 is an apocalyptic number.

401606355 is a deficient number, since it is larger than the sum of its proper divisors (263122125).

401606355 is a wasteful number, since it uses less digits than its factorization.

401606355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923270.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 401606355 is about 20040.1186373734. The cubic root of 401606355 is about 737.7912927650.

The spelling of 401606355 in words is "four hundred one million, six hundred six thousand, three hundred fifty-five".