5642436 has 36 divisors (see below), whose sum is σ = 13994288. Its totient is φ = 1769088.

The previous prime is 5642407. The next prime is 5642459. The reversal of 5642436 is 6342465.

It is a super-3 number, since 3×5642436³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2655 + ... + 4281.

Almost surely, 2^5642436 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 5642436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6997144).

5642436 is an abundant number, since it is smaller than the sum of its proper divisors (8351852).

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

5642436 is a wasteful number, since it uses less digits than its factorization.

5642436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1649 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 5642436 is about 2375.3812325604. The cubic root of 5642436 is about 178.0282326972.

The spelling of 5642436 in words is "five million, six hundred forty-two thousand, four hundred thirty-six".