401856298 has 16 divisors (see below), whose sum is σ = 616377600. Its totient is φ = 196407856.

The previous prime is 401856281. The next prime is 401856307. The reversal of 401856298 is 892658104.

It is a happy number.

It is a super-2 number, since 2×401856298² = 322976968484529608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90228 + ... + 94576.

It is an arithmetic number, because the mean of its divisors is an integer number (38523600).

Almost surely, 2^401856298 is an apocalyptic number.

401856298 is a deficient number, since it is larger than the sum of its proper divisors (214521302).

401856298 is a wasteful number, since it uses less digits than its factorization.

401856298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 401856298 is about 20046.3537332853. The cubic root of 401856298 is about 737.9443178392.

The spelling of 401856298 in words is "four hundred one million, eight hundred fifty-six thousand, two hundred ninety-eight".