400373147 has 4 divisors (see below), whose sum is σ = 402405696. Its totient is φ = 398340600.

The previous prime is 400373143. The next prime is 400373161. The reversal of 400373147 is 741373004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400373147 - 2² = 400373143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400373143) 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 3 ways as a sum of consecutive naturals, for example, 1015979 + ... + 1016372.

It is an arithmetic number, because the mean of its divisors is an integer number (100601424).

Almost surely, 2^400373147 is an apocalyptic number.

400373147 is a deficient number, since it is larger than the sum of its proper divisors (2032549).

400373147 is a wasteful number, since it uses less digits than its factorization.

400373147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032548.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 400373147 is about 20009.3265004098. The cubic root of 400373147 is about 737.0353427375.

The spelling of 400373147 in words is "four hundred million, three hundred seventy-three thousand, one hundred forty-seven".