1942487 has 2 divisors, whose sum is σ = 1942488. Its totient is φ = 1942486.

The previous prime is 1942483. The next prime is 1942519. The reversal of 1942487 is 7842491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1942487 - 2² = 1942483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1942481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971243 + 971244.

It is an arithmetic number, because the mean of its divisors is an integer number (971244).

2^1942487 is an apocalyptic number.

1942487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942487 is an equidigital number, since it uses as much as digits as its factorization.

1942487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 1942487 is about 1393.7313227448. The cubic root of 1942487 is about 124.7726427201.

The spelling of 1942487 in words is "one million, nine hundred forty-two thousand, four hundred eighty-seven".