400274207 has 8 divisors (see below), whose sum is σ = 405155520. Its totient is φ = 395401600.

The previous prime is 400274191. The next prime is 400274209. The reversal of 400274207 is 702472004.

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 400274207 - 2⁴ = 400274191 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 (400274209) 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, 169082 + ... + 171432.

It is an arithmetic number, because the mean of its divisors is an integer number (50644440).

Almost surely, 2^400274207 is an apocalyptic number.

400274207 is a deficient number, since it is larger than the sum of its proper divisors (4881313).

400274207 is a wasteful number, since it uses less digits than its factorization.

400274207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 400274207 is about 20006.8540005669. The cubic root of 400274207 is about 736.9746258080.

The spelling of 400274207 in words is "four hundred million, two hundred seventy-four thousand, two hundred seven".