1339390 has 16 divisors (see below), whose sum is σ = 2596608. Its totient is φ = 494496.

The previous prime is 1339381. The next prime is 1339391. The reversal of 1339390 is 939331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5022 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (162288).

2^1339390 is an apocalyptic number.

1339390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1339390 is a deficient number, since it is larger than the sum of its proper divisors (1257218).

1339390 is a wasteful number, since it uses less digits than its factorization.

1339390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10323.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 1339390 is about 1157.3201804168. The cubic root of 1339390 is about 110.2306455262.

The spelling of 1339390 in words is "one million, three hundred thirty-nine thousand, three hundred ninety".