400832084 has 24 divisors (see below), whose sum is σ = 727797000. Its totient is φ = 192931200.

The previous prime is 400832083. The next prime is 400832093. The reversal of 400832084 is 480238004.

It can be written as a sum of positive squares in 4 ways, for example, as 213744400 + 187087684 = 14620^2 + 13678^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400832083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35534 + ... + 45434.

It is an arithmetic number, because the mean of its divisors is an integer number (30324875).

Almost surely, 2^400832084 is an apocalyptic number.

It is an amenable number.

400832084 is a deficient number, since it is larger than the sum of its proper divisors (326964916).

400832084 is a wasteful number, since it uses less digits than its factorization.

400832084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10283 (or 10281 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 400832084 is about 20020.7912930533. The cubic root of 400832084 is about 737.3168498187.

The spelling of 400832084 in words is "four hundred million, eight hundred thirty-two thousand, eighty-four".