404825214 has 16 divisors (see below), whose sum is σ = 831533328. Its totient is φ = 131294592.

The previous prime is 404825209. The next prime is 404825287. The reversal of 404825214 is 412528404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911547 + ... + 911990.

It is an arithmetic number, because the mean of its divisors is an integer number (51970833).

Almost surely, 2^404825214 is an apocalyptic number.

404825214 is an abundant number, since it is smaller than the sum of its proper divisors (426708114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404825214 is a wasteful number, since it uses less digits than its factorization.

404825214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823579.

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 404825214 is about 20120.2687357798. The cubic root of 404825214 is about 739.7571725783.

The spelling of 404825214 in words is "four hundred four million, eight hundred twenty-five thousand, two hundred fourteen".