3846945993 has 32 divisors (see below), whose sum is σ = 5631482880. Its totient is φ = 2316575040.

The previous prime is 3846945967. The next prime is 3846946003. The reversal of 3846945993 is 3995496483.

It is not a de Polignac number, because 3846945993 - 2¹² = 3846941897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3846945923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5247855 + ... + 5248587.

It is an arithmetic number, because the mean of its divisors is an integer number (175983840).

Almost surely, 2^3846945993 is an apocalyptic number.

3846945993 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3846945993 is a deficient number, since it is larger than the sum of its proper divisors (1784536887).

3846945993 is a wasteful number, since it uses less digits than its factorization.

3846945993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549.

The product of its digits is 25194240, while the sum is 60.

The square root of 3846945993 is about 62023.7534578487. The cubic root of 3846945993 is about 1566.8906767406.

The spelling of 3846945993 in words is "three billion, eight hundred forty-six million, nine hundred forty-five thousand, nine hundred ninety-three".