4381947 has 12 divisors (see below), whose sum is σ = 6501040. Its totient is φ = 2842128.

The previous prime is 4381939. The next prime is 4381961. The reversal of 4381947 is 7491834.

It is a happy number.

It is not a de Polignac number, because 4381947 - 2³ = 4381939 is a prime.

It is a super-3 number, since 3×4381947³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4381967) 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, 6247 + ... + 6912.

Almost surely, 2^4381947 is an apocalyptic number.

4381947 is a deficient number, since it is larger than the sum of its proper divisors (2119093).

4381947 is a wasteful number, since it uses less digits than its factorization.

4381947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13202 (or 13199 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 4381947 is about 2093.3100582570. The cubic root of 4381947 is about 163.6398377209.

The spelling of 4381947 in words is "four million, three hundred eighty-one thousand, nine hundred forty-seven".