6239406 has 8 divisors (see below), whose sum is σ = 12478824. Its totient is φ = 2079800.

The previous prime is 6239393. The next prime is 6239411. The reversal of 6239406 is 6049326.

It is a sphenic number, since it is the product of 3 distinct primes.

6239406 is an admirable number.

It is a Curzon number.

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, 519945 + ... + 519956.

It is an arithmetic number, because the mean of its divisors is an integer number (1559853).

Almost surely, 2^6239406 is an apocalyptic number.

6239406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6239406 is a wasteful number, since it uses less digits than its factorization.

6239406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039906.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 6239406 is about 2497.8803013755. The cubic root of 6239406 is about 184.0974397262.

The spelling of 6239406 in words is "six million, two hundred thirty-nine thousand, four hundred six".