329746946 has 4 divisors (see below), whose sum is σ = 494620422. Its totient is φ = 164873472.

The previous prime is 329746939. The next prime is 329746961. The reversal of 329746946 is 649647923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 649647923 = 7949 ⋅81727.

It can be written as a sum of positive squares in only one way, i.e., 300640921 + 29106025 = 17339^2 + 5395^2 .

It is a junction number, because it is equal to n+sod(n) for n = 329746894 and 329746903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82436735 + ... + 82436738.

Almost surely, 2^329746946 is an apocalyptic number.

329746946 is a deficient number, since it is larger than the sum of its proper divisors (164873476).

329746946 is a wasteful number, since it uses less digits than its factorization.

329746946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164873475.

The product of its digits is 1959552, while the sum is 50.

The square root of 329746946 is about 18158.9357066982. The cubic root of 329746946 is about 690.8656404336.

The spelling of 329746946 in words is "three hundred twenty-nine million, seven hundred forty-six thousand, nine hundred forty-six".