1971974 has 16 divisors (see below), whose sum is σ = 3117312. Its totient is φ = 933768.

The previous prime is 1971967. The next prime is 1972007. The reversal of 1971974 is 4791791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7367 + ... + 7629.

It is an arithmetic number, because the mean of its divisors is an integer number (194832).

2^1971974 is an apocalyptic number.

1971974 is a deficient number, since it is larger than the sum of its proper divisors (1145338).

1971974 is a wasteful number, since it uses less digits than its factorization.

1971974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

The product of its digits is 15876, while the sum is 38.

The square root of 1971974 is about 1404.2699170743. The cubic root of 1971974 is about 125.4008253386.

The spelling of 1971974 in words is "one million, nine hundred seventy-one thousand, nine hundred seventy-four".