400469798 has 8 divisors (see below), whose sum is σ = 613485792. Its totient is φ = 195974536.

The previous prime is 400469777. The next prime is 400469807. The reversal of 400469798 is 897964004.

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

It is a super-2 number, since 2×400469798² = 320752118220321608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2130065 + ... + 2130252.

It is an arithmetic number, because the mean of its divisors is an integer number (76685724).

Almost surely, 2^400469798 is an apocalyptic number.

400469798 is a deficient number, since it is larger than the sum of its proper divisors (213015994).

400469798 is a wasteful number, since it uses less digits than its factorization.

400469798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260366.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 400469798 is about 20011.7415034274. The cubic root of 400469798 is about 737.0946453090.

The spelling of 400469798 in words is "four hundred million, four hundred sixty-nine thousand, seven hundred ninety-eight".