1974838 has 8 divisors (see below), whose sum is σ = 3042432. Its totient is φ = 960696.

The previous prime is 1974787. The next prime is 1974851. The reversal of 1974838 is 8384791.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1974838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13270 + ... + 13417.

It is an arithmetic number, because the mean of its divisors is an integer number (380304).

2^1974838 is an apocalyptic number.

1974838 is a deficient number, since it is larger than the sum of its proper divisors (1067594).

1974838 is a wasteful number, since it uses less digits than its factorization.

1974838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26726.

The product of its digits is 48384, while the sum is 40.

The square root of 1974838 is about 1405.2892940601. The cubic root of 1974838 is about 125.4615046772.

The spelling of 1974838 in words is "one million, nine hundred seventy-four thousand, eight hundred thirty-eight".