1934987 has 2 divisors, whose sum is σ = 1934988. Its totient is φ = 1934986.

The previous prime is 1934983. The next prime is 1934993. The reversal of 1934987 is 7894391.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1934987 - 2² = 1934983 is a prime.

It is not a weakly prime, because it can be changed into another prime (1934983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967493 + 967494.

It is an arithmetic number, because the mean of its divisors is an integer number (967494).

2^1934987 is an apocalyptic number.

1934987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1934987 is an equidigital number, since it uses as much as digits as its factorization.

1934987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 1934987 is about 1391.0381015630. The cubic root of 1934987 is about 124.6118519764.

The spelling of 1934987 in words is "one million, nine hundred thirty-four thousand, nine hundred eighty-seven".