1494887 has 2 divisors, whose sum is σ = 1494888. Its totient is φ = 1494886.

The previous prime is 1494881. The next prime is 1494907. The reversal of 1494887 is 7884941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1494887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1494881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747443 + 747444.

It is an arithmetic number, because the mean of its divisors is an integer number (747444).

2^1494887 is an apocalyptic number.

1494887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494887 is an equidigital number, since it uses as much as digits as its factorization.

1494887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 1494887 is about 1222.6557160542. The cubic root of 1494887 is about 114.3412112161.

The spelling of 1494887 in words is "one million, four hundred ninety-four thousand, eight hundred eighty-seven".