3654205620 has 48 divisors (see below), whose sum is σ = 11018837760. Its totient is φ = 899496576.

The previous prime is 3654205579. The next prime is 3654205649. The reversal of 3654205620 is 265024563.

3654205620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2341660 + ... + 2343219.

It is an arithmetic number, because the mean of its divisors is an integer number (229559120).

Almost surely, 2^3654205620 is an apocalyptic number.

3654205620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3654205620 is an abundant number, since it is smaller than the sum of its proper divisors (7364632140).

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

3654205620 is a wasteful number, since it uses less digits than its factorization.

3654205620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684904 (or 4684902 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 3654205620 is about 60450.0258064461. The cubic root of 3654205620 is about 1540.2728504010.

The spelling of 3654205620 in words is "three billion, six hundred fifty-four million, two hundred five thousand, six hundred twenty".