400893355 has 4 divisors (see below), whose sum is σ = 481072032. Its totient is φ = 320714680.

The previous prime is 400893347. The next prime is 400893397. The reversal of 400893355 is 553398004.

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

It is not a de Polignac number, because 400893355 - 2³ = 400893347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40089331 + ... + 40089340.

It is an arithmetic number, because the mean of its divisors is an integer number (120268008).

Almost surely, 2^400893355 is an apocalyptic number.

400893355 is a deficient number, since it is larger than the sum of its proper divisors (80178677).

400893355 is an equidigital number, since it uses as much as digits as its factorization.

400893355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80178676.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 400893355 is about 20022.3214188565. The cubic root of 400893355 is about 737.3544165379.

The spelling of 400893355 in words is "four hundred million, eight hundred ninety-three thousand, three hundred fifty-five".