5642456 has 8 divisors (see below), whose sum is σ = 10579620. Its totient is φ = 2821224.

The previous prime is 5642407. The next prime is 5642459. The reversal of 5642456 is 6542465.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352646 + ... + 352661.

Almost surely, 2^5642456 is an apocalyptic number.

It is an amenable number.

5642456 is a deficient number, since it is larger than the sum of its proper divisors (4937164).

5642456 is a wasteful number, since it uses less digits than its factorization.

5642456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705313 (or 705309 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 5642456 is about 2375.3854424072. The cubic root of 5642456 is about 178.0284430414.

Subtracting 5642456 from its reverse (6542465), we obtain a palindrome (900009).

It can be divided in two parts, 5642 and 456, that multiplied together give a palindrome (2572752).

The spelling of 5642456 in words is "five million, six hundred forty-two thousand, four hundred fifty-six".