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974489 is a prime number
BaseRepresentation
bin11101101111010011001
31211111202012
43231322121
5222140424
632515305
711166035
oct3557231
91744665
10974489
1160616a
123abb35
13281729
141b51c5
15143b0e
hexede99

974489 has 2 divisors, whose sum is σ = 974490. Its totient is φ = 974488.

The previous prime is 974473. The next prime is 974497. The reversal of 974489 is 984479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 931225 + 43264 = 965^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 974489 - 24 = 974473 is a prime.

It is a super-2 number, since 2×9744892 = 1899257622242, which contains 22 as substring.

It is a d-powerful number, because it can be written as 95 + 77 + 42 + 43 + 85 + 95 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 974489.

It is not a weakly prime, because it can be changed into another prime (974419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487244 + 487245.

It is an arithmetic number, because the mean of its divisors is an integer number (487245).

2974489 is an apocalyptic number.

It is an amenable number.

974489 is a deficient number, since it is larger than the sum of its proper divisors (1).

974489 is an equidigital number, since it uses as much as digits as its factorization.

974489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 974489 is about 987.1620940859. The cubic root of 974489 is about 99.1422978357.

The spelling of 974489 in words is "nine hundred seventy-four thousand, four hundred eighty-nine".