400084773 has 16 divisors (see below), whose sum is σ = 582454272. Its totient is φ = 242262000.

The previous prime is 400084721. The next prime is 400084777. The reversal of 400084773 is 377480004.

It is a happy number.

It is not a de Polignac number, because 400084773 - 2¹² = 400080677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400084777) 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 15 ways as a sum of consecutive naturals, for example, 37908 + ... + 47298.

It is an arithmetic number, because the mean of its divisors is an integer number (36403392).

Almost surely, 2^400084773 is an apocalyptic number.

It is an amenable number.

400084773 is a deficient number, since it is larger than the sum of its proper divisors (182369499).

400084773 is a wasteful number, since it uses less digits than its factorization.

400084773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10696.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 400084773 is about 20002.1192127234. The cubic root of 400084773 is about 736.8583471184.

The spelling of 400084773 in words is "four hundred million, eighty-four thousand, seven hundred seventy-three".