1039949 has 2 divisors, whose sum is σ = 1039950. Its totient is φ = 1039948.

The previous prime is 1039943. The next prime is 1039979. The reversal of 1039949 is 9499301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964324 + 75625 = 982^2 + 275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1039949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1039943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519974 + 519975.

It is an arithmetic number, because the mean of its divisors is an integer number (519975).

2^1039949 is an apocalyptic number.

It is an amenable number.

1039949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039949 is an equidigital number, since it uses as much as digits as its factorization.

1039949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 1039949 is about 1019.7788976048. The cubic root of 1039949 is about 101.3142842290.

The spelling of 1039949 in words is "one million, thirty-nine thousand, nine hundred forty-nine".