406703982 has 8 divisors (see below), whose sum is σ = 813407976. Its totient is φ = 135567992.

The previous prime is 406703981. The next prime is 406704007. The reversal of 406703982 is 289307604.

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

406703982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 406703982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406703981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33891993 + ... + 33892004.

It is an arithmetic number, because the mean of its divisors is an integer number (101675997).

Almost surely, 2^406703982 is an apocalyptic number.

406703982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

406703982 is a wasteful number, since it uses less digits than its factorization.

406703982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67784002.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 406703982 is about 20166.9031335999. The cubic root of 406703982 is about 740.8997954036.

The spelling of 406703982 in words is "four hundred six million, seven hundred three thousand, nine hundred eighty-two".