3894149998 has 4 divisors (see below), whose sum is σ = 5841225000. Its totient is φ = 1947074998.

The previous prime is 3894149983. The next prime is 3894150011. The reversal of 3894149998 is 8999414983.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 973537498 + ... + 973537501.

It is an arithmetic number, because the mean of its divisors is an integer number (1460306250).

Almost surely, 2^3894149998 is an apocalyptic number.

3894149998 is a deficient number, since it is larger than the sum of its proper divisors (1947075002).

3894149998 is a wasteful number, since it uses less digits than its factorization.

3894149998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947075001.

The product of its digits is 20155392, while the sum is 64.

The square root of 3894149998 is about 62403.1249057289. The cubic root of 3894149998 is about 1573.2734920603.

The spelling of 3894149998 in words is "three billion, eight hundred ninety-four million, one hundred forty-nine thousand, nine hundred ninety-eight".