1974861 has 36 divisors (see below), whose sum is σ = 3464032. Its totient is φ = 1102248.

The previous prime is 1974851. The next prime is 1974881. The reversal of 1974861 is 1684791.

It is not a de Polignac number, because 1974861 - 2¹¹ = 1972813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974851) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45906 + ... + 45948.

2^1974861 is an apocalyptic number.

It is an amenable number.

1974861 is a deficient number, since it is larger than the sum of its proper divisors (1489171).

1974861 is an frugal number, since it uses more digits than its factorization.

1974861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 53 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1974861 is about 1405.2974774047. The cubic root of 1974861 is about 125.4619917388.

The spelling of 1974861 in words is "one million, nine hundred seventy-four thousand, eight hundred sixty-one".