3788950447 has 4 divisors (see below), whose sum is σ = 3808183896. Its totient is φ = 3769717000.

The previous prime is 3788950423. The next prime is 3788950483. The reversal of 3788950447 is 7440598873.

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

It is a cyclic number.

It is not a de Polignac number, because 3788950447 - 2¹¹ = 3788948399 is a prime.

It is a super-2 number, since 2×3788950447² = 28712290979642999618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3788950147) 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, 9616429 + ... + 9616822.

It is an arithmetic number, because the mean of its divisors is an integer number (952045974).

Almost surely, 2^3788950447 is an apocalyptic number.

3788950447 is a deficient number, since it is larger than the sum of its proper divisors (19233449).

3788950447 is a wasteful number, since it uses less digits than its factorization.

3788950447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19233448.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The square root of 3788950447 is about 61554.4510738257. The cubic root of 3788950447 is about 1558.9767625523.

The spelling of 3788950447 in words is "three billion, seven hundred eighty-eight million, nine hundred fifty thousand, four hundred forty-seven".