1399395 has 16 divisors (see below), whose sum is σ = 2316960. Its totient is φ = 720384.

The previous prime is 1399393. The next prime is 1399399. The reversal of 1399395 is 5939931.

It is not a de Polignac number, because 1399395 - 2¹ = 1399393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1399393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1174 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (144810).

2^1399395 is an apocalyptic number.

1399395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1399395 is a deficient number, since it is larger than the sum of its proper divisors (917565).

1399395 is a wasteful number, since it uses less digits than its factorization.

1399395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254.

The product of its digits is 32805, while the sum is 39.

The square root of 1399395 is about 1182.9602698316. The cubic root of 1399395 is about 111.8527774385.

The spelling of 1399395 in words is "one million, three hundred ninety-nine thousand, three hundred ninety-five".