106004989 has 2 divisors, whose sum is σ = 106004990. Its totient is φ = 106004988.

The previous prime is 106004959. The next prime is 106004993. The reversal of 106004989 is 989400601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69305625 + 36699364 = 8325^2 + 6058^2 .

It is a cyclic number.

It is not a de Polignac number, because 106004989 - 2⁵ = 106004957 is a prime.

It is a super-2 number, since 2×106004989² = 22474115385780242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106004939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53002494 + 53002495.

It is an arithmetic number, because the mean of its divisors is an integer number (53002495).

Almost surely, 2^106004989 is an apocalyptic number.

It is an amenable number.

106004989 is a deficient number, since it is larger than the sum of its proper divisors (1).

106004989 is an equidigital number, since it uses as much as digits as its factorization.

106004989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 106004989 is about 10295.8724253946. The cubic root of 106004989 is about 473.2697738610.

The spelling of 106004989 in words is "one hundred six million, four thousand, nine hundred eighty-nine".