347979000 has 128 divisors (see below), whose sum is σ = 1093135680. Its totient is φ = 92160000.

The previous prime is 347978987. The next prime is 347979007. The reversal of 347979000 is 979743.

It is a self number, because there is not a number n which added to its sum of digits gives 347979000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347979007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578700 + ... + 579300.

Almost surely, 2^347979000 is an apocalyptic number.

347979000 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 347979000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546567840).

347979000 is an abundant number, since it is smaller than the sum of its proper divisors (745156680).

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

347979000 is a wasteful number, since it uses less digits than its factorization.

347979000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 347979000 is about 18654.1952386052. The cubic root of 347979000 is about 703.3708167670.

The spelling of 347979000 in words is "three hundred forty-seven million, nine hundred seventy-nine thousand".