1006974621 has 6 divisors (see below), whose sum is σ = 1454518910. Its totient is φ = 671316408.

The previous prime is 1006974593. The next prime is 1006974623. The reversal of 1006974621 is 1264796001.

1006974621 is a `hidden beast` number, since 100 + 6 + 97 + 462 + 1 = 666.

1006974621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 671535396 + 335439225 = 25914^2 + 18315^2 .

It is not a de Polignac number, because 1006974621 - 2⁵ = 1006974589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006974623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55943026 + ... + 55943043.

Almost surely, 2^1006974621 is an apocalyptic number.

It is an amenable number.

1006974621 is a deficient number, since it is larger than the sum of its proper divisors (447544289).

1006974621 is a wasteful number, since it uses less digits than its factorization.

1006974621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111886075 (or 111886072 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1006974621 is about 31732.8634226412. The cubic root of 1006974621 is about 1002.3194894756.

The spelling of 1006974621 in words is "one billion, six million, nine hundred seventy-four thousand, six hundred twenty-one".