3748997986 has 8 divisors (see below), whose sum is σ = 5629291344. Its totient is φ = 1872567540.

The previous prime is 3748997971. The next prime is 3748998041. The reversal of 3748997986 is 6897998473.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 963300 + ... + 967183.

It is an arithmetic number, because the mean of its divisors is an integer number (703661418).

Almost surely, 2^3748997986 is an apocalyptic number.

3748997986 is a deficient number, since it is larger than the sum of its proper divisors (1880293358).

3748997986 is a wasteful number, since it uses less digits than its factorization.

3748997986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931456.

The product of its digits is 164602368, while the sum is 70.

The square root of 3748997986 is about 61229.0616129302. The cubic root of 3748997986 is about 1553.4778632958.

The spelling of 3748997986 in words is "three billion, seven hundred forty-eight million, nine hundred ninety-seven thousand, nine hundred eighty-six".