394965480 has 192 divisors, whose sum is σ = 1484663040. Its totient is φ = 83317248.

The previous prime is 394965479. The next prime is 394965509. The reversal of 394965480 is 84569493.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73857 + ... + 79023.

It is an arithmetic number, because the mean of its divisors is an integer number (7732620).

Almost surely, 2^394965480 is an apocalyptic number.

394965480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394965480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742331520).

394965480 is an abundant number, since it is smaller than the sum of its proper divisors (1089697560).

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

394965480 is a wasteful number, since it uses less digits than its factorization.

394965480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208 (or 5197 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 394965480 is about 19873.7384505281. The cubic root of 394965480 is about 733.7020175510.

The spelling of 394965480 in words is "three hundred ninety-four million, nine hundred sixty-five thousand, four hundred eighty".