400096503 has 20 divisors (see below), whose sum is σ = 613833000. Its totient is φ = 259520112.

The previous prime is 400096483. The next prime is 400096519. The reversal of 400096503 is 305690004.

It is a happy number.

400096503 is a `hidden beast` number, since 4 + 0 + 0 + 0 + 9 + 650 + 3 = 666.

It is not a de Polignac number, because 400096503 - 2¹⁷ = 399965431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400096303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63753 + ... + 69746.

It is an arithmetic number, because the mean of its divisors is an integer number (30691650).

Almost surely, 2^400096503 is an apocalyptic number.

400096503 is a deficient number, since it is larger than the sum of its proper divisors (213736497).

400096503 is a wasteful number, since it uses less digits than its factorization.

400096503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133548 (or 133539 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 400096503 is about 20002.4124295046. The cubic root of 400096503 is about 736.8655483122.

The spelling of 400096503 in words is "four hundred million, ninety-six thousand, five hundred three".