328766434 has 16 divisors (see below), whose sum is σ = 523542528. Its totient is φ = 154303552.

The previous prime is 328766401. The next prime is 328766437. The reversal of 328766434 is 434667823.

It is a happy number.

It is a super-4 number, since 4×328766434⁴ (a number of 35 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (328766437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399 + ... + 25645.

It is an arithmetic number, because the mean of its divisors is an integer number (32721408).

Almost surely, 2^328766434 is an apocalyptic number.

328766434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

328766434 is a deficient number, since it is larger than the sum of its proper divisors (194776094).

328766434 is a wasteful number, since it uses less digits than its factorization.

328766434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25649.

The product of its digits is 580608, while the sum is 43.

The square root of 328766434 is about 18131.9175488970. The cubic root of 328766434 is about 690.1801909849.

The spelling of 328766434 in words is "three hundred twenty-eight million, seven hundred sixty-six thousand, four hundred thirty-four".