1499879 has 4 divisors (see below), whose sum is σ = 1578840. Its totient is φ = 1420920.

The previous prime is 1499857. The next prime is 1499881. The reversal of 1499879 is 9789941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1499879 - 2¹² = 1495783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1499579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39452 + ... + 39489.

It is an arithmetic number, because the mean of its divisors is an integer number (394710).

2^1499879 is an apocalyptic number.

1499879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1499879 is a deficient number, since it is larger than the sum of its proper divisors (78961).

1499879 is an equidigital number, since it uses as much as digits as its factorization.

1499879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78960.

The product of its digits is 163296, while the sum is 47.

The square root of 1499879 is about 1224.6954723522. The cubic root of 1499879 is about 114.4683461632.

The spelling of 1499879 in words is "one million, four hundred ninety-nine thousand, eight hundred seventy-nine".