1016849 has 2 divisors, whose sum is σ = 1016850. Its totient is φ = 1016848.

The previous prime is 1016843. The next prime is 1016879. The reversal of 1016849 is 9486101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 868624 + 148225 = 932^2 + 385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (1016843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508424 + 508425.

It is an arithmetic number, because the mean of its divisors is an integer number (508425).

2^1016849 is an apocalyptic number.

It is an amenable number.

1016849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016849 is an equidigital number, since it uses as much as digits as its factorization.

1016849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1016849 is about 1008.3893097410. The cubic root of 1016849 is about 100.5585082119.

It can be divided in two parts, 10 and 16849, that multiplied together give a triangular number (168490 = T₅₈₀).

The spelling of 1016849 in words is "one million, sixteen thousand, eight hundred forty-nine".