3992554247 has 8 divisors (see below), whose sum is σ = 4365219600. Its totient is φ = 3621506560.

The previous prime is 3992554231. The next prime is 3992554253. The reversal of 3992554247 is 7424552993.

It is a happy number.

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 3992554247 - 2⁴ = 3992554231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3992554195 and 3992554204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3992554217) 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, 399248 + ... + 409125.

It is an arithmetic number, because the mean of its divisors is an integer number (545652450).

Almost surely, 2^3992554247 is an apocalyptic number.

3992554247 is a deficient number, since it is larger than the sum of its proper divisors (372665353).

3992554247 is a wasteful number, since it uses less digits than its factorization.

3992554247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808833.

The product of its digits is 2721600, while the sum is 50.

The square root of 3992554247 is about 63186.6619390517. The cubic root of 3992554247 is about 1586.4154905157.

The spelling of 3992554247 in words is "three billion, nine hundred ninety-two million, five hundred fifty-four thousand, two hundred forty-seven".