400472671 has 8 divisors (see below), whose sum is σ = 427326320. Its totient is φ = 374196672.

The previous prime is 400472669. The next prime is 400472729. The reversal of 400472671 is 176274004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400472671 - 2¹ = 400472669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400472641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142980 + ... + 145753.

It is an arithmetic number, because the mean of its divisors is an integer number (53415790).

Almost surely, 2^400472671 is an apocalyptic number.

400472671 is a deficient number, since it is larger than the sum of its proper divisors (26853649).

400472671 is a wasteful number, since it uses less digits than its factorization.

400472671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288825.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 400472671 is about 20011.8132861568. The cubic root of 400472671 is about 737.0964079620.

The spelling of 400472671 in words is "four hundred million, four hundred seventy-two thousand, six hundred seventy-one".