1339406 has 8 divisors (see below), whose sum is σ = 2052000. Its totient is φ = 655408.

The previous prime is 1339399. The next prime is 1339409. The reversal of 1339406 is 6049331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7031 + ... + 7218.

It is an arithmetic number, because the mean of its divisors is an integer number (256500).

2^1339406 is an apocalyptic number.

1339406 is a deficient number, since it is larger than the sum of its proper divisors (712594).

1339406 is a wasteful number, since it uses less digits than its factorization.

1339406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14298.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1339406 is about 1157.3270929171. The cubic root of 1339406 is about 110.2310844532.

The spelling of 1339406 in words is "one million, three hundred thirty-nine thousand, four hundred six".