6223940 has 12 divisors (see below), whose sum is σ = 13070316. Its totient is φ = 2489568.

The previous prime is 6223939. The next prime is 6223957. The reversal of 6223940 is 493226.

It can be written as a sum of positive squares in 2 ways, for example, as 906304 + 5317636 = 952^2 + 2306^2 .

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, 155579 + ... + 155618.

It is an arithmetic number, because the mean of its divisors is an integer number (1089193).

Almost surely, 2^6223940 is an apocalyptic number.

It is an amenable number.

6223940 is an abundant number, since it is smaller than the sum of its proper divisors (6846376).

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

6223940 is a wasteful number, since it uses less digits than its factorization.

6223940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311206 (or 311204 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 6223940 is about 2494.7825556549. The cubic root of 6223940 is about 183.9452026489.

The spelling of 6223940 in words is "six million, two hundred twenty-three thousand, nine hundred forty".