1741987 has 4 divisors (see below), whose sum is σ = 1876000. Its totient is φ = 1607976.

The previous prime is 1741979. The next prime is 1742017. The reversal of 1741987 is 7891471.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1741987 - 2³ = 1741979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1741387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66987 + ... + 67012.

It is an arithmetic number, because the mean of its divisors is an integer number (469000).

2^1741987 is an apocalyptic number.

1741987 is a deficient number, since it is larger than the sum of its proper divisors (134013).

1741987 is a wasteful number, since it uses less digits than its factorization.

1741987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134012.

The product of its digits is 14112, while the sum is 37.

The square root of 1741987 is about 1319.8435513348. The cubic root of 1741987 is about 120.3229034800.

The spelling of 1741987 in words is "one million, seven hundred forty-one thousand, nine hundred eighty-seven".