3891228974 has 8 divisors (see below), whose sum is σ = 6180187248. Its totient is φ = 1831166560.

The previous prime is 3891228973. The next prime is 3891228983. The reversal of 3891228974 is 4798221983.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891228973) 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, 57223922 + ... + 57223989.

It is an arithmetic number, because the mean of its divisors is an integer number (772523406).

Almost surely, 2^3891228974 is an apocalyptic number.

3891228974 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3891228974 is a deficient number, since it is larger than the sum of its proper divisors (2288958274).

3891228974 is a wasteful number, since it uses less digits than its factorization.

3891228974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114447930.

The product of its digits is 1741824, while the sum is 53.

The square root of 3891228974 is about 62379.7160461636. The cubic root of 3891228974 is about 1572.8800198721.

The spelling of 3891228974 in words is "three billion, eight hundred ninety-one million, two hundred twenty-eight thousand, nine hundred seventy-four".