3447431382 has 16 divisors (see below), whose sum is σ = 6913654272. Its totient is φ = 1146011880.

The previous prime is 3447431371. The next prime is 3447431387. The reversal of 3447431382 is 2831347443.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3447431382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3447431387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780594 + ... + 784997.

It is an arithmetic number, because the mean of its divisors is an integer number (432103392).

Almost surely, 2^3447431382 is an apocalyptic number.

3447431382 is an abundant number, since it is smaller than the sum of its proper divisors (3466222890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3447431382 is a wasteful number, since it uses less digits than its factorization.

3447431382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565963.

The product of its digits is 193536, while the sum is 39.

The square root of 3447431382 is about 58714.8310224938. The cubic root of 3447431382 is about 1510.6547139648.

It can be divided in two parts, 34474 and 31382, that added together give a palindrome (65856).

The spelling of 3447431382 in words is "three billion, four hundred forty-seven million, four hundred thirty-one thousand, three hundred eighty-two".