400706054 has 8 divisors (see below), whose sum is σ = 686924688. Its totient is φ = 171731160.

The previous prime is 400706051. The next prime is 400706057. The reversal of 400706054 is 450607004.

It is an interprime number because it is at equal distance from previous prime (400706051) and next prime (400706057).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400706051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14310917 + ... + 14310944.

It is an arithmetic number, because the mean of its divisors is an integer number (85865586).

Almost surely, 2^400706054 is an apocalyptic number.

400706054 is a deficient number, since it is larger than the sum of its proper divisors (286218634).

400706054 is a wasteful number, since it uses less digits than its factorization.

400706054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28621870.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 400706054 is about 20017.6435676130. The cubic root of 400706054 is about 737.2395657663.

The spelling of 400706054 in words is "four hundred million, seven hundred six thousand, fifty-four".