1008946901 has 4 divisors (see below), whose sum is σ = 1033555404. Its totient is φ = 984338400.

The previous prime is 1008946853. The next prime is 1008946907. The reversal of 1008946901 is 1096498001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 495018001 + 513928900 = 22249^2 + 22670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1008946901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008946907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12304190 + ... + 12304271.

It is an arithmetic number, because the mean of its divisors is an integer number (258388851).

Almost surely, 2^1008946901 is an apocalyptic number.

It is an amenable number.

1008946901 is a deficient number, since it is larger than the sum of its proper divisors (24608503).

1008946901 is an equidigital number, since it uses as much as digits as its factorization.

1008946901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24608502.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1008946901 is about 31763.9245213812. The cubic root of 1008946901 is about 1002.9734501643.

The spelling of 1008946901 in words is "one billion, eight million, nine hundred forty-six thousand, nine hundred one".