400828622 has 8 divisors (see below), whose sum is σ = 617492856. Its totient is φ = 194997672.

The previous prime is 400828577. The next prime is 400828657. The reversal of 400828622 is 226828004.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708228 + ... + 2708375.

It is an arithmetic number, because the mean of its divisors is an integer number (77186607).

Almost surely, 2^400828622 is an apocalyptic number.

400828622 is a deficient number, since it is larger than the sum of its proper divisors (216664234).

400828622 is a wasteful number, since it uses less digits than its factorization.

400828622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416642.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 400828622 is about 20020.7048327475. The cubic root of 400828622 is about 737.3147270692.

The spelling of 400828622 in words is "four hundred million, eight hundred twenty-eight thousand, six hundred twenty-two".