394679736 has 96 divisors (see below), whose sum is σ = 1205139600. Its totient is φ = 119592000.

The previous prime is 394679729. The next prime is 394679737. The reversal of 394679736 is 637976493.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394679737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18586 + ... + 33686.

Almost surely, 2^394679736 is an apocalyptic number.

394679736 is a gapful number since it is divisible by the number (36) 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 394679736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602569800).

394679736 is an abundant number, since it is smaller than the sum of its proper divisors (810459864).

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

394679736 is a wasteful number, since it uses less digits than its factorization.

394679736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15138 (or 15117 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 54.

The square root of 394679736 is about 19866.5481651947. The cubic root of 394679736 is about 733.5250387696.

The spelling of 394679736 in words is "three hundred ninety-four million, six hundred seventy-nine thousand, seven hundred thirty-six".