6289940 has 12 divisors (see below), whose sum is σ = 13208916. Its totient is φ = 2515968.

The previous prime is 6289939. The next prime is 6289957. The reversal of 6289940 is 499826.

It can be written as a sum of positive squares in 2 ways, for example, as 1263376 + 5026564 = 1124^2 + 2242^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6289894 and 6289903.

It is a congruent number.

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, 157229 + ... + 157268.

It is an arithmetic number, because the mean of its divisors is an integer number (1100743).

Almost surely, 2^6289940 is an apocalyptic number.

It is an amenable number.

6289940 is an abundant number, since it is smaller than the sum of its proper divisors (6918976).

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

6289940 is a wasteful number, since it uses less digits than its factorization.

6289940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314506 (or 314504 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 6289940 is about 2507.9752789850. The cubic root of 6289940 is about 184.5931159928.

The spelling of 6289940 in words is "six million, two hundred eighty-nine thousand, nine hundred forty".