1493867 has 2 divisors, whose sum is σ = 1493868. Its totient is φ = 1493866.

The previous prime is 1493839. The next prime is 1493879. The reversal of 1493867 is 7683941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1493867 is a prime.

It is a super-2 number, since 2×1493867² = 4463277227378, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1493867.

It is not a weakly prime, because it can be changed into another prime (1493567) 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 as a sum of consecutive naturals, namely, 746933 + 746934.

It is an arithmetic number, because the mean of its divisors is an integer number (746934).

2^1493867 is an apocalyptic number.

1493867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493867 is an equidigital number, since it uses as much as digits as its factorization.

1493867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 1493867 is about 1222.2385200934. The cubic root of 1493867 is about 114.3151993120.

The spelling of 1493867 in words is "one million, four hundred ninety-three thousand, eight hundred sixty-seven".