1399495 has 8 divisors (see below), whose sum is σ = 1733760. Its totient is φ = 1083360.

The previous prime is 1399493. The next prime is 1399499. The reversal of 1399495 is 5949931.

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

It is not a de Polignac number, because 1399495 - 2¹ = 1399493 is a prime.

1399495 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399493) 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, 4360 + ... + 4669.

It is an arithmetic number, because the mean of its divisors is an integer number (216720).

2^1399495 is an apocalyptic number.

1399495 is a deficient number, since it is larger than the sum of its proper divisors (334265).

1399495 is an equidigital number, since it uses as much as digits as its factorization.

1399495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9065.

The product of its digits is 43740, while the sum is 40.

The square root of 1399495 is about 1183.0025359229. The cubic root of 1399495 is about 111.8554416877.

The spelling of 1399495 in words is "one million, three hundred ninety-nine thousand, four hundred ninety-five".