5215646 has 4 divisors (see below), whose sum is σ = 7823472. Its totient is φ = 2607822.

The previous prime is 5215643. The next prime is 5215649. The reversal of 5215646 is 6465125.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5215643) and next prime (5215649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303910 + ... + 1303913.

It is an arithmetic number, because the mean of its divisors is an integer number (1955868).

Almost surely, 2^5215646 is an apocalyptic number.

5215646 is a deficient number, since it is larger than the sum of its proper divisors (2607826).

5215646 is a wasteful number, since it uses less digits than its factorization.

5215646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607825.

The product of its digits is 7200, while the sum is 29.

The square root of 5215646 is about 2283.7788859695. The cubic root of 5215646 is about 173.4214057679.

The spelling of 5215646 in words is "five million, two hundred fifteen thousand, six hundred forty-six".