401868346 has 24 divisors (see below), whose sum is σ = 663616800. Its totient is φ = 182383080.

The previous prime is 401868317. The next prime is 401868349. The reversal of 401868346 is 643868104.

It is a super-2 number, since 2×401868346² = 322996335033551432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401868299 and 401868308.

It is not an unprimeable number, because it can be changed into a prime (401868349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286555 + ... + 287953.

It is an arithmetic number, because the mean of its divisors is an integer number (27650700).

Almost surely, 2^401868346 is an apocalyptic number.

401868346 is a deficient number, since it is larger than the sum of its proper divisors (261748454).

401868346 is a wasteful number, since it uses less digits than its factorization.

401868346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 401868346 is about 20046.6542345599. The cubic root of 401868346 is about 737.9516925022.

The spelling of 401868346 in words is "four hundred one million, eight hundred sixty-eight thousand, three hundred forty-six".