1874649 has 8 divisors (see below), whose sum is σ = 2856640. Its totient is φ = 1071216.

The previous prime is 1874633. The next prime is 1874657. The reversal of 1874649 is 9464781.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1874649 - 2⁴ = 1874633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1874629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44614 + ... + 44655.

It is an arithmetic number, because the mean of its divisors is an integer number (357080).

2^1874649 is an apocalyptic number.

It is an amenable number.

1874649 is a deficient number, since it is larger than the sum of its proper divisors (981991).

1874649 is an equidigital number, since it uses as much as digits as its factorization.

1874649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89279.

The product of its digits is 48384, while the sum is 39.

The square root of 1874649 is about 1369.1782206857. The cubic root of 1874649 is about 123.3029086547.

The spelling of 1874649 in words is "one million, eight hundred seventy-four thousand, six hundred forty-nine".