3921227249 has 8 divisors (see below), whose sum is σ = 4102334208. Its totient is φ = 3744190240.

The previous prime is 3921227221. The next prime is 3921227251. The reversal of 3921227249 is 9427221293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3921227249 - 2⁸ = 3921226993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3921227269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015517 + ... + 1019370.

It is an arithmetic number, because the mean of its divisors is an integer number (512791776).

Almost surely, 2^3921227249 is an apocalyptic number.

It is an amenable number.

3921227249 is a deficient number, since it is larger than the sum of its proper divisors (181106959).

3921227249 is a wasteful number, since it uses less digits than its factorization.

3921227249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034975.

The product of its digits is 108864, while the sum is 41.

The square root of 3921227249 is about 62619.7033608432. The cubic root of 3921227249 is about 1576.9115614744.

The spelling of 3921227249 in words is "three billion, nine hundred twenty-one million, two hundred twenty-seven thousand, two hundred forty-nine".