400894202 has 8 divisors (see below), whose sum is σ = 622077300. Its totient is φ = 193535104.

The previous prime is 400894199. The next prime is 400894211. The reversal of 400894202 is 202498004.

It can be written as a sum of positive squares in 2 ways, for example, as 396049801 + 4844401 = 19901^2 + 2201^2 .

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

It is a super-2 number, since 2×400894202² = 321432322394433608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455927 + ... + 3456042.

Almost surely, 2^400894202 is an apocalyptic number.

400894202 is a deficient number, since it is larger than the sum of its proper divisors (221183098).

400894202 is a wasteful number, since it uses less digits than its factorization.

400894202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6912000.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 400894202 is about 20022.3425702389. The cubic root of 400894202 is about 737.3549358271.

The spelling of 400894202 in words is "four hundred million, eight hundred ninety-four thousand, two hundred two".