1399846 has 8 divisors (see below), whose sum is σ = 2399760. Its totient is φ = 599928.

The previous prime is 1399843. The next prime is 1399847. The reversal of 1399846 is 6489931.

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

It is a junction number, because it is equal to n+sod(n) for n = 1399799 and 1399808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399843) 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, 49981 + ... + 50008.

It is an arithmetic number, because the mean of its divisors is an integer number (299970).

2^1399846 is an apocalyptic number.

1399846 is a deficient number, since it is larger than the sum of its proper divisors (999914).

1399846 is an equidigital number, since it uses as much as digits as its factorization.

1399846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99998.

The product of its digits is 46656, while the sum is 40.

The square root of 1399846 is about 1183.1508779526. The cubic root of 1399846 is about 111.8647921983.

The spelling of 1399846 in words is "one million, three hundred ninety-nine thousand, eight hundred forty-six".