3817812146 has 4 divisors (see below), whose sum is σ = 5726718222. Its totient is φ = 1908906072.

The previous prime is 3817812133. The next prime is 3817812149. The reversal of 3817812146 is 6412187183.

3817812146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6412187183 = 89 ⋅72047047.

It can be written as a sum of positive squares in only one way, i.e., 3816150625 + 1661521 = 61775^2 + 1289^2 .

It is not an unprimeable number, because it can be changed into a prime (3817812149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 954453035 + ... + 954453038.

Almost surely, 2^3817812146 is an apocalyptic number.

3817812146 is a deficient number, since it is larger than the sum of its proper divisors (1908906076).

3817812146 is a wasteful number, since it uses less digits than its factorization.

3817812146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908906075.

The product of its digits is 64512, while the sum is 41.

The square root of 3817812146 is about 61788.4467032470. The cubic root of 3817812146 is about 1562.9251692979.

The spelling of 3817812146 in words is "three billion, eight hundred seventeen million, eight hundred twelve thousand, one hundred forty-six".