3949623998 has 8 divisors (see below), whose sum is σ = 5925928008. Its totient is φ = 1974314664.

The previous prime is 3949623959. The next prime is 3949624001. The reversal of 3949623998 is 8993269493.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3949623998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238661 + ... + 254672.

It is an arithmetic number, because the mean of its divisors is an integer number (740741001).

Almost surely, 2^3949623998 is an apocalyptic number.

3949623998 is a deficient number, since it is larger than the sum of its proper divisors (1976304010).

3949623998 is a wasteful number, since it uses less digits than its factorization.

3949623998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497338.

The product of its digits is 22674816, while the sum is 62.

The square root of 3949623998 is about 62846.0340673936. The cubic root of 3949623998 is about 1580.7089696016.

The spelling of 3949623998 in words is "three billion, nine hundred forty-nine million, six hundred twenty-three thousand, nine hundred ninety-eight".