5721936 has 40 divisors (see below), whose sum is σ = 16126944. Its totient is φ = 1733760.

The previous prime is 5721931. The next prime is 5721941. The reversal of 5721936 is 6391275.

It is an interprime number because it is at equal distance from previous prime (5721931) and next prime (5721941).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5721897 and 5721906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4891 + ... + 5946.

Almost surely, 2^5721936 is an apocalyptic number.

It is an amenable number.

5721936 is an abundant number, since it is smaller than the sum of its proper divisors (10405008).

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

5721936 is a wasteful number, since it uses less digits than its factorization.

5721936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10859 (or 10853 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 5721936 is about 2392.0568555116. The cubic root of 5721936 is about 178.8604553111.

The spelling of 5721936 in words is "five million, seven hundred twenty-one thousand, nine hundred thirty-six".