3817342428 has 12 divisors (see below), whose sum is σ = 8907132360. Its totient is φ = 1272447472.

The previous prime is 3817342427. The next prime is 3817342439. The reversal of 3817342428 is 8242437183.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3817342428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3817342423) 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, 159055923 + ... + 159055946.

It is an arithmetic number, because the mean of its divisors is an integer number (742261030).

Almost surely, 2^3817342428 is an apocalyptic number.

It is an amenable number.

3817342428 is an abundant number, since it is smaller than the sum of its proper divisors (5089789932).

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

3817342428 is a wasteful number, since it uses less digits than its factorization.

3817342428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318111876 (or 318111874 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 3817342428 is about 61784.6455682963. The cubic root of 3817342428 is about 1562.8610693923.

It can be divided in two parts, 38173 and 42428, that added together give a triangular number (80601 = T₄₀₁).

The spelling of 3817342428 in words is "three billion, eight hundred seventeen million, three hundred forty-two thousand, four hundred twenty-eight".