396841740 has 48 divisors (see below), whose sum is σ = 1132131168. Its totient is φ = 103826944.

The previous prime is 396841723. The next prime is 396841751. The reversal of 396841740 is 47148693.

It is a junction number, because it is equal to n+sod(n) for n = 396841692 and 396841701.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59217 + ... + 65576.

It is an arithmetic number, because the mean of its divisors is an integer number (23586066).

Almost surely, 2^396841740 is an apocalyptic number.

396841740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

396841740 is an abundant number, since it is smaller than the sum of its proper divisors (735289428).

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

396841740 is a wasteful number, since it uses less digits than its factorization.

396841740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124858 (or 124856 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 396841740 is about 19920.8870284433. The cubic root of 396841740 is about 734.8619852849.

The spelling of 396841740 in words is "three hundred ninety-six million, eight hundred forty-one thousand, seven hundred forty".