3528245986 has 8 divisors (see below), whose sum is σ = 5292622044. Its totient is φ = 1764038640.

The previous prime is 3528245969. The next prime is 3528245993. The reversal of 3528245986 is 6895428253.

It can be written as a sum of positive squares in 2 ways, for example, as 2955553225 + 572692761 = 54365^2 + 23931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3528245986² = 24897039475450224392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53656 + ... + 99676.

Almost surely, 2^3528245986 is an apocalyptic number.

3528245986 is a deficient number, since it is larger than the sum of its proper divisors (1764376058).

3528245986 is a wasteful number, since it uses less digits than its factorization.

3528245986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84356.

The product of its digits is 4147200, while the sum is 52.

The square root of 3528245986 is about 59399.0402784422. The cubic root of 3528245986 is about 1522.3679023803.

The spelling of 3528245986 in words is "three billion, five hundred twenty-eight million, two hundred forty-five thousand, nine hundred eighty-six".