400719433 has 4 divisors (see below), whose sum is σ = 400774528. Its totient is φ = 400664340.

The previous prime is 400719413. The next prime is 400719439. The reversal of 400719433 is 334917004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400719433 - 2⁵ = 400719401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400719395 and 400719404.

It is not an unprimeable number, because it can be changed into a prime (400719439) by changing a digit.

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, 14613 + ... + 31858.

It is an arithmetic number, because the mean of its divisors is an integer number (100193632).

Almost surely, 2^400719433 is an apocalyptic number.

It is an amenable number.

400719433 is a deficient number, since it is larger than the sum of its proper divisors (55095).

400719433 is an equidigital number, since it uses as much as digits as its factorization.

400719433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55094.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 400719433 is about 20017.9777450171. The cubic root of 400719433 is about 737.2477707986.

The spelling of 400719433 in words is "four hundred million, seven hundred nineteen thousand, four hundred thirty-three".