1492399 has 4 divisors (see below), whose sum is σ = 1498464. Its totient is φ = 1486336.

The previous prime is 1492357. The next prime is 1492411. The reversal of 1492399 is 9932941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9932941 = 23 ⋅431867.

It is a cyclic number.

It is not a de Polignac number, because 1492399 - 2¹¹ = 1490351 is a prime.

It is a Duffinian number.

1492399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492499) 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, 2647 + ... + 3160.

It is an arithmetic number, because the mean of its divisors is an integer number (374616).

2^1492399 is an apocalyptic number.

1492399 is a deficient number, since it is larger than the sum of its proper divisors (6065).

1492399 is an equidigital number, since it uses as much as digits as its factorization.

1492399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064.

The product of its digits is 17496, while the sum is 37.

The square root of 1492399 is about 1221.6378350395. The cubic root of 1492399 is about 114.2777417802.

Subtracting from 1492399 its product of digits (17496), we obtain a triangular number (1474903 = T₁₇₁₇).

It can be divided in two parts, 1492 and 399, that added together give a triangular number (1891 = T₆₁).

The spelling of 1492399 in words is "one million, four hundred ninety-two thousand, three hundred ninety-nine".