4003347971 has 12 divisors (see below), whose sum is σ = 4685535432. Its totient is φ = 3410382528.

The previous prime is 4003347923. The next prime is 4003347973. The reversal of 4003347971 is 1797433004.

It is a happy number.

It is not a de Polignac number, because 4003347971 - 2¹⁰ = 4003346947 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4003347973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242630 + ... + 258603.

It is an arithmetic number, because the mean of its divisors is an integer number (390461286).

Almost surely, 2^4003347971 is an apocalyptic number.

4003347971 is a deficient number, since it is larger than the sum of its proper divisors (682187461).

4003347971 is a wasteful number, since it uses less digits than its factorization.

4003347971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501410 (or 501403 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 4003347971 is about 63272.0157020464. The cubic root of 4003347971 is about 1587.8438095202.

The spelling of 4003347971 in words is "four billion, three million, three hundred forty-seven thousand, nine hundred seventy-one".