3652780 has 12 divisors (see below), whose sum is σ = 7670880. Its totient is φ = 1461104.

The previous prime is 3652777. The next prime is 3652783. The reversal of 3652780 is 872563.

It is an interprime number because it is at equal distance from previous prime (3652777) and next prime (3652783).

It is not an unprimeable number, because it can be changed into a prime (3652783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91300 + ... + 91339.

It is an arithmetic number, because the mean of its divisors is an integer number (639240).

Almost surely, 2^3652780 is an apocalyptic number.

It is an amenable number.

3652780 is an abundant number, since it is smaller than the sum of its proper divisors (4018100).

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

3652780 is a wasteful number, since it uses less digits than its factorization.

3652780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182648 (or 182646 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 3652780 is about 1911.2247382242. The cubic root of 3652780 is about 154.0072521462.

The spelling of 3652780 in words is "three million, six hundred fifty-two thousand, seven hundred eighty".