401647104 has 120 divisors (see below), whose sum is σ = 1172014272. Its totient is φ = 132403200.

The previous prime is 401647079. The next prime is 401647153. The reversal of 401647104 is 401746104.

401647104 is a `hidden beast` number, since 4 + 0 + 1 + 647 + 10 + 4 = 666.

It is a super-2 number, since 2×401647104² = 322640792303173632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464977 + ... + 465839.

Almost surely, 2^401647104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401647104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586007136).

401647104 is an abundant number, since it is smaller than the sum of its proper divisors (770367168).

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

401647104 is a wasteful number, since it uses less digits than its factorization.

401647104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 401647104 is about 20041.1352971831. The cubic root of 401647104 is about 737.8162452591.

The spelling of 401647104 in words is "four hundred one million, six hundred forty-seven thousand, one hundred four".