334729980 has 144 divisors (see below), whose sum is σ = 1114495200. Its totient is φ = 80810496.

The previous prime is 334729933. The next prime is 334729991. The reversal of 334729980 is 89927433.

It is a happy number.

It is a super-2 number, since 2×334729980² = 224088319021600800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 122671 + ... + 125369.

It is an arithmetic number, because the mean of its divisors is an integer number (7739550).

Almost surely, 2^334729980 is an apocalyptic number.

334729980 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 334729980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557247600).

334729980 is an abundant number, since it is smaller than the sum of its proper divisors (779765220).

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

334729980 is a wasteful number, since it uses less digits than its factorization.

334729980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2775 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 334729980 is about 18295.6273464454. The cubic root of 334729980 is about 694.3283057170.

The spelling of 334729980 in words is "three hundred thirty-four million, seven hundred twenty-nine thousand, nine hundred eighty".