406746384 has 40 divisors (see below), whose sum is σ = 1146286752. Its totient is φ = 123256320.

The previous prime is 406746367. The next prime is 406746391. The reversal of 406746384 is 483647604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384649 + ... + 385704.

Almost surely, 2^406746384 is an apocalyptic number.

406746384 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

406746384 is an abundant number, since it is smaller than the sum of its proper divisors (739540368).

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

406746384 is a wasteful number, since it uses less digits than its factorization.

406746384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770375 (or 770369 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 406746384 is about 20167.9543831297. The cubic root of 406746384 is about 740.9255426651.

The spelling of 406746384 in words is "four hundred six million, seven hundred forty-six thousand, three hundred eighty-four".