3520626946 has 4 divisors (see below), whose sum is σ = 5280940422. Its totient is φ = 1760313472.

The previous prime is 3520626847. The next prime is 3520626947. The reversal of 3520626946 is 6496260253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6496260253 = 7 ⋅928037179.

It can be written as a sum of positive squares in only one way, i.e., 3462027921 + 58599025 = 58839^2 + 7655^2 .

It is not an unprimeable number, because it can be changed into a prime (3520626947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 880156735 + ... + 880156738.

Almost surely, 2^3520626946 is an apocalyptic number.

3520626946 is a deficient number, since it is larger than the sum of its proper divisors (1760313476).

3520626946 is a wasteful number, since it uses less digits than its factorization.

3520626946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760313475.

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 3520626946 is about 59334.8712478590. The cubic root of 3520626946 is about 1521.2712912854.

The spelling of 3520626946 in words is "three billion, five hundred twenty million, six hundred twenty-six thousand, nine hundred forty-six".