1974349 has 8 divisors (see below), whose sum is σ = 2199960. Its totient is φ = 1759296.

The previous prime is 1974331. The next prime is 1974353. The reversal of 1974349 is 9434791.

It can be written as a sum of positive squares in 4 ways, for example, as 310249 + 1664100 = 557^2 + 1290^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1974349 - 2⁷ = 1974221 is a prime.

It is a Duffinian number.

1974349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974319) 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, 2242 + ... + 2995.

It is an arithmetic number, because the mean of its divisors is an integer number (274995).

2^1974349 is an apocalyptic number.

It is an amenable number.

1974349 is a deficient number, since it is larger than the sum of its proper divisors (225611).

1974349 is a wasteful number, since it uses less digits than its factorization.

1974349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279.

The product of its digits is 27216, while the sum is 37.

The square root of 1974349 is about 1405.1152977603. The cubic root of 1974349 is about 125.4511484285.

The spelling of 1974349 in words is "one million, nine hundred seventy-four thousand, three hundred forty-nine".