400469803 has 4 divisors (see below), whose sum is σ = 400513608. Its totient is φ = 400426000.

The previous prime is 400469777. The next prime is 400469807. The reversal of 400469803 is 308964004.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 400469803 - 2⁹ = 400469291 is a prime.

It is a super-2 number, since 2×400469803² = 320752126229717618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400469807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2401 + ... + 28402.

It is an arithmetic number, because the mean of its divisors is an integer number (100128402).

Almost surely, 2^400469803 is an apocalyptic number.

400469803 is a deficient number, since it is larger than the sum of its proper divisors (43805).

400469803 is a wasteful number, since it uses less digits than its factorization.

400469803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43804.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 400469803 is about 20011.7416283541. The cubic root of 400469803 is about 737.0946483767.

The spelling of 400469803 in words is "four hundred million, four hundred sixty-nine thousand, eight hundred three".