3642500 has 60 divisors (see below), whose sum is σ = 8397312. Its totient is φ = 1380000.

The previous prime is 3642497. The next prime is 3642559. The reversal of 3642500 is 52463.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 77477 + ... + 77523.

Almost surely, 2^3642500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3642500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4198656).

3642500 is an abundant number, since it is smaller than the sum of its proper divisors (4754812).

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

3642500 is a wasteful number, since it uses less digits than its factorization.

3642500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3642500 is about 1908.5334683992. The cubic root of 3642500 is about 153.8626424635.

Adding to 3642500 its reverse (52463), we get a palindrome (3694963).

The spelling of 3642500 in words is "three million, six hundred forty-two thousand, five hundred".