406747250 has 128 divisors (see below), whose sum is σ = 987517440. Its totient is φ = 121824000.

The previous prime is 406747247. The next prime is 406747261. The reversal of 406747250 is 52747604.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 406747250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 431780 + ... + 432720.

It is an arithmetic number, because the mean of its divisors is an integer number (7714980).

Almost surely, 2^406747250 is an apocalyptic number.

406747250 is an abundant number, since it is smaller than the sum of its proper divisors (580770190).

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

406747250 is a wasteful number, since it uses less digits than its factorization.

406747250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 406747250 is about 20167.9758528217. The cubic root of 406747250 is about 740.9260684974.

The spelling of 406747250 in words is "four hundred six million, seven hundred forty-seven thousand, two hundred fifty".