326991034 has 4 divisors (see below), whose sum is σ = 490486554. Its totient is φ = 163495516.

The previous prime is 326991019. The next prime is 326991053. The reversal of 326991034 is 430199623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430199623 = 7 ⋅61457089.

It can be written as a sum of positive squares in only one way, i.e., 199233225 + 127757809 = 14115^2 + 11303^2 .

It is a junction number, because it is equal to n+sod(n) for n = 326990984 and 326991002.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 81747757 + ... + 81747760.

Almost surely, 2^326991034 is an apocalyptic number.

326991034 is a deficient number, since it is larger than the sum of its proper divisors (163495520).

326991034 is a wasteful number, since it uses less digits than its factorization.

326991034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163495519.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 326991034 is about 18082.8934078593. The cubic root of 326991034 is about 688.9355807043.

It can be divided in two parts, 32699 and 1034, that added together give a palindrome (33733).

The spelling of 326991034 in words is "three hundred twenty-six million, nine hundred ninety-one thousand, thirty-four".