1974913 has 4 divisors (see below), whose sum is σ = 1979908. Its totient is φ = 1969920.

The previous prime is 1974887. The next prime is 1974919. The reversal of 1974913 is 3194791.

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

It can be written as a sum of positive squares in 2 ways, for example, as 419904 + 1555009 = 648^2 + 1247^2 .

It is a cyclic number.

It is not a de Polignac number, because 1974913 - 2⁵ = 1974881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1974919) 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, 1848 + ... + 2713.

It is an arithmetic number, because the mean of its divisors is an integer number (494977).

2^1974913 is an apocalyptic number.

It is an amenable number.

1974913 is a deficient number, since it is larger than the sum of its proper divisors (4995).

1974913 is an equidigital number, since it uses as much as digits as its factorization.

1974913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994.

The product of its digits is 6804, while the sum is 34.

The square root of 1974913 is about 1405.3159787037. The cubic root of 1974913 is about 125.4630929077.

The spelling of 1974913 in words is "one million, nine hundred seventy-four thousand, nine hundred thirteen".