3988453990 has 8 divisors (see below), whose sum is σ = 7179217200. Its totient is φ = 1595381592.

The previous prime is 3988453969. The next prime is 3988453993. The reversal of 3988453990 is 993548893.

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 (3988453993) 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, 199422690 + ... + 199422709.

It is an arithmetic number, because the mean of its divisors is an integer number (897402150).

Almost surely, 2^3988453990 is an apocalyptic number.

3988453990 is a deficient number, since it is larger than the sum of its proper divisors (3190763210).

3988453990 is a wasteful number, since it uses less digits than its factorization.

3988453990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398845406.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The square root of 3988453990 is about 63154.2080149850. The cubic root of 3988453990 is about 1585.8722343430.

The spelling of 3988453990 in words is "three billion, nine hundred eighty-eight million, four hundred fifty-three thousand, nine hundred ninety".