400970366 has 4 divisors (see below), whose sum is σ = 601455552. Its totient is φ = 200485182.

The previous prime is 400970363. The next prime is 400970413. The reversal of 400970366 is 663079004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400970363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100242590 + ... + 100242593.

It is an arithmetic number, because the mean of its divisors is an integer number (150363888).

Almost surely, 2^400970366 is an apocalyptic number.

400970366 is a deficient number, since it is larger than the sum of its proper divisors (200485186).

400970366 is a wasteful number, since it uses less digits than its factorization.

400970366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200485185.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 400970366 is about 20024.2444551599. The cubic root of 400970366 is about 737.4016283999.

The spelling of 400970366 in words is "four hundred million, nine hundred seventy thousand, three hundred sixty-six".