1974229 has 2 divisors, whose sum is σ = 1974230. Its totient is φ = 1974228.

The previous prime is 1974221. The next prime is 1974239. The reversal of 1974229 is 9224791.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004004 + 970225 = 1002^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 1974229 - 2³ = 1974221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1974194 and 1974203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1974221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987114 + 987115.

It is an arithmetic number, because the mean of its divisors is an integer number (987115).

2^1974229 is an apocalyptic number.

It is an amenable number.

1974229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1974229 is an equidigital number, since it uses as much as digits as its factorization.

1974229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 1974229 is about 1405.0725959893. The cubic root of 1974229 is about 125.4486067565.

The spelling of 1974229 in words is "one million, nine hundred seventy-four thousand, two hundred twenty-nine".