3640602 has 64 divisors (see below), whose sum is σ = 8928000. Its totient is φ = 987840.

The previous prime is 3640597. The next prime is 3640633. The reversal of 3640602 is 2060463.

3640602 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

3640602 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59652 + ... + 59712.

It is an arithmetic number, because the mean of its divisors is an integer number (139500).

Almost surely, 2^3640602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3640602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4464000).

3640602 is an abundant number, since it is smaller than the sum of its proper divisors (5287398).

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

3640602 is a wasteful number, since it uses less digits than its factorization.

3640602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3640602 is about 1908.0361631793. The cubic root of 3640602 is about 153.8359133825.

The spelling of 3640602 in words is "three million, six hundred forty thousand, six hundred two".