1671974 has 4 divisors (see below), whose sum is σ = 2507964. Its totient is φ = 835986.

The previous prime is 1671961. The next prime is 1671977. The reversal of 1671974 is 4791761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4791761 = 13 ⋅368597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417992 + ... + 417995.

It is an arithmetic number, because the mean of its divisors is an integer number (626991).

2^1671974 is an apocalyptic number.

1671974 is a deficient number, since it is larger than the sum of its proper divisors (835990).

1671974 is an equidigital number, since it uses as much as digits as its factorization.

1671974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835989.

The product of its digits is 10584, while the sum is 35.

The square root of 1671974 is about 1293.0483362968. The cubic root of 1671974 is about 118.6888275884.

The spelling of 1671974 in words is "one million, six hundred seventy-one thousand, nine hundred seventy-four".