400050607 has 4 divisors (see below), whose sum is σ = 436418856. Its totient is φ = 363682360.

The previous prime is 400050587. The next prime is 400050611. The reversal of 400050607 is 706050004.

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 400050607 - 2²³ = 391661999 is a prime.

It is a super-2 number, since 2×400050607² = 320080976322136898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400050617) 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, 18184108 + ... + 18184129.

It is an arithmetic number, because the mean of its divisors is an integer number (109104714).

Almost surely, 2^400050607 is an apocalyptic number.

400050607 is a deficient number, since it is larger than the sum of its proper divisors (36368249).

400050607 is a wasteful number, since it uses less digits than its factorization.

400050607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36368248.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 400050607 is about 20001.2651349858. The cubic root of 400050607 is about 736.8373713814.

The spelling of 400050607 in words is "four hundred million, fifty thousand, six hundred seven".