1399246 has 8 divisors (see below), whose sum is σ = 2108304. Its totient is φ = 696480.

The previous prime is 1399231. The next prime is 1399261. The reversal of 1399246 is 6429931.

It is an interprime number because it is at equal distance from previous prime (1399231) and next prime (1399261).

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

It is a plaindrome in base 16.

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, 970 + ... + 1933.

It is an arithmetic number, because the mean of its divisors is an integer number (263538).

2^1399246 is an apocalyptic number.

1399246 is a deficient number, since it is larger than the sum of its proper divisors (709058).

1399246 is a wasteful number, since it uses less digits than its factorization.

1399246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146.

The product of its digits is 11664, while the sum is 34.

The square root of 1399246 is about 1182.8972905540. The cubic root of 1399246 is about 111.8488074716.

The spelling of 1399246 in words is "one million, three hundred ninety-nine thousand, two hundred forty-six".