1930249 has 2 divisors, whose sum is σ = 1930250. Its totient is φ = 1930248.

The previous prime is 1930237. The next prime is 1930259. The reversal of 1930249 is 9420391.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1774224 + 156025 = 1332^2 + 395^2 .

It is an emirp because it is prime and its reverse (9420391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1930249 - 2¹⁵ = 1897481 is a prime.

It is a super-2 number, since 2×1930249² = 7451722404002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1930219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965124 + 965125.

It is an arithmetic number, because the mean of its divisors is an integer number (965125).

2^1930249 is an apocalyptic number.

It is an amenable number.

1930249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1930249 is an equidigital number, since it uses as much as digits as its factorization.

1930249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1930249 is about 1389.3340131156. The cubic root of 1930249 is about 124.5100608526.

The spelling of 1930249 in words is "one million, nine hundred thirty thousand, two hundred forty-nine".