3502661620 has 12 divisors (see below), whose sum is σ = 7355589444. Its totient is φ = 1401064640.

The previous prime is 3502661587. The next prime is 3502661671. The reversal of 3502661620 is 261662053.

It can be written as a sum of positive squares in 2 ways, for example, as 1062499216 + 2440162404 = 32596^2 + 49398^2 .

It is a congruent number.

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, 87566521 + ... + 87566560.

It is an arithmetic number, because the mean of its divisors is an integer number (612965787).

Almost surely, 2^3502661620 is an apocalyptic number.

It is an amenable number.

3502661620 is an abundant number, since it is smaller than the sum of its proper divisors (3852927824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3502661620 is a wasteful number, since it uses less digits than its factorization.

3502661620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175133090 (or 175133088 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3502661620 is about 59183.2883506822. The cubic root of 3502661620 is about 1518.6792572738.

The spelling of 3502661620 in words is "three billion, five hundred two million, six hundred sixty-one thousand, six hundred twenty".