400697363 has 8 divisors (see below), whose sum is σ = 437327040. Its totient is φ = 364101480.

The previous prime is 400697333. The next prime is 400697377. The reversal of 400697363 is 363796004.

It is a happy number.

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 400697363 - 2¹⁴ = 400680979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400697303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20756 + ... + 35102.

It is an arithmetic number, because the mean of its divisors is an integer number (54665880).

Almost surely, 2^400697363 is an apocalyptic number.

400697363 is a deficient number, since it is larger than the sum of its proper divisors (36629677).

400697363 is a wasteful number, since it uses less digits than its factorization.

400697363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16897.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 400697363 is about 20017.4264829423. The cubic root of 400697363 is about 737.2342356784.

The spelling of 400697363 in words is "four hundred million, six hundred ninety-seven thousand, three hundred sixty-three".