3636402 has 64 divisors (see below), whose sum is σ = 9621504. Its totient is φ = 887040.

The previous prime is 3636401. The next prime is 3636403. The reversal of 3636402 is 2046363.

It is an interprime number because it is at equal distance from previous prime (3636401) and next prime (3636403).

It is not an unprimeable number, because it can be changed into a prime (3636401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7623 + ... + 8085.

It is an arithmetic number, because the mean of its divisors is an integer number (150336).

Almost surely, 2^3636402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3636402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4810752).

3636402 is an abundant number, since it is smaller than the sum of its proper divisors (5985102).

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

3636402 is a wasteful number, since it uses less digits than its factorization.

3636402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 3636402 is about 1906.9352374950. The cubic root of 3636402 is about 153.7767327434.

The spelling of 3636402 in words is "three million, six hundred thirty-six thousand, four hundred two".