1974331 has 2 divisors, whose sum is σ = 1974332. Its totient is φ = 1974330.

The previous prime is 1974319. The next prime is 1974353. The reversal of 1974331 is 1334791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1974331 - 2⁵ = 1974299 is a prime.

It is a super-2 number, since 2×1974331² = 7795965795122, which contains 22 as substring.

It is a Chen prime.

1974331 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1974331.

It is not a weakly prime, because it can be changed into another prime (1974361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987165 + 987166.

It is an arithmetic number, because the mean of its divisors is an integer number (987166).

2^1974331 is an apocalyptic number.

1974331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1974331 is an equidigital number, since it uses as much as digits as its factorization.

1974331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 1974331 is about 1405.1088925774. The cubic root of 1974331 is about 125.4507671843.

The spelling of 1974331 in words is "one million, nine hundred seventy-four thousand, three hundred thirty-one".