3640770 has 48 divisors (see below), whose sum is σ = 10820160. Its totient is φ = 832032.

The previous prime is 3640753. The next prime is 3640781. The reversal of 3640770 is 770463.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2260 + ... + 3519.

It is an arithmetic number, because the mean of its divisors is an integer number (225420).

Almost surely, 2^3640770 is an apocalyptic number.

3640770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3640770 is an abundant number, since it is smaller than the sum of its proper divisors (7179390).

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

3640770 is a wasteful number, since it uses less digits than its factorization.

3640770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799 (or 5796 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 3640770 is about 1908.0801869942. The cubic root of 3640770 is about 153.8382796611.

The spelling of 3640770 in words is "three million, six hundred forty thousand, seven hundred seventy".