3642436 has 12 divisors (see below), whose sum is σ = 7284928. Its totient is φ = 1561032.

The previous prime is 3642427. The next prime is 3642449. The reversal of 3642436 is 6342463.

3642436 is an admirable number.

It is a super-3 number, since 3×3642436³ (a number of 21 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 130087 = 3642436 / (3 + 6 + 4 + 2 + 4 + 3 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65016 + ... + 65071.

Almost surely, 2^3642436 is an apocalyptic number.

It is an amenable number.

3642436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3642436 is a wasteful number, since it uses less digits than its factorization.

3642436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130098 (or 130096 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 3642436 is about 1908.5167015250. The cubic root of 3642436 is about 153.8617413181.

Adding to 3642436 its reverse (6342463), we get a palindrome (9984899).

It can be divided in two parts, 36 and 42436, that multiplied together give a square (1527696 = 1236²).

The spelling of 3642436 in words is "three million, six hundred forty-two thousand, four hundred thirty-six".