401847100 has 18 divisors (see below), whose sum is σ = 872008424. Its totient is φ = 160738800.

The previous prime is 401847049. The next prime is 401847107. The reversal of 401847100 is 1748104.

It is a super-3 number, since 3×401847100³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401847107) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2009136 + ... + 2009335.

Almost surely, 2^401847100 is an apocalyptic number.

It is an amenable number.

401847100 is an abundant number, since it is smaller than the sum of its proper divisors (470161324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401847100 is a wasteful number, since it uses less digits than its factorization.

401847100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018485 (or 4018478 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 401847100 is about 20046.1243136922. The cubic root of 401847100 is about 737.9386875814.

Subtracting from 401847100 its sum of digits (25), we obtain a triangular number (401847075 = T₂₈₃₄₉).

The spelling of 401847100 in words is "four hundred one million, eight hundred forty-seven thousand, one hundred".