400951103 has 16 divisors (see below), whose sum is σ = 488462400. Its totient is φ = 321271296.

The previous prime is 400951099. The next prime is 400951121. The reversal of 400951103 is 301159004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 400951103 - 2² = 400951099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400951123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6425 + ... + 29037.

It is an arithmetic number, because the mean of its divisors is an integer number (30528900).

Almost surely, 2^400951103 is an apocalyptic number.

400951103 is a deficient number, since it is larger than the sum of its proper divisors (87511297).

400951103 is a wasteful number, since it uses less digits than its factorization.

400951103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22786.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 400951103 is about 20023.7634574522. The cubic root of 400951103 is about 737.3898197176.

The spelling of 400951103 in words is "four hundred million, nine hundred fifty-one thousand, one hundred three".