334428747 has 16 divisors (see below), whose sum is σ = 469772160. Its totient is φ = 211038912.

The previous prime is 334428739. The next prime is 334428749. The reversal of 334428747 is 747824433.

It is not a de Polignac number, because 334428747 - 2³ = 334428739 is a prime.

It is a super-2 number, since 2×334428747² = 223685173639980018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 334428699 and 334428708.

It is not an unprimeable number, because it can be changed into a prime (334428749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107508 + ... + 110574.

It is an arithmetic number, because the mean of its divisors is an integer number (29360760).

Almost surely, 2^334428747 is an apocalyptic number.

334428747 is a deficient number, since it is larger than the sum of its proper divisors (135343413).

334428747 is a wasteful number, since it uses less digits than its factorization.

334428747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002.

The product of its digits is 451584, while the sum is 42.

The square root of 334428747 is about 18287.3931165708. The cubic root of 334428747 is about 694.1199612964.

The spelling of 334428747 in words is "three hundred thirty-four million, four hundred twenty-eight thousand, seven hundred forty-seven".