3855003402 has 16 divisors (see below), whose sum is σ = 8163536832. Its totient is φ = 1209412800.

The previous prime is 3855003401. The next prime is 3855003421. The reversal of 3855003402 is 2043005583.

It is a super-2 number, since 2×3855003402² = 29722102458863147208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3855003402.

It is not an unprimeable number, because it can be changed into a prime (3855003401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18896974 + ... + 18897177.

It is an arithmetic number, because the mean of its divisors is an integer number (510221052).

Almost surely, 2^3855003402 is an apocalyptic number.

3855003402 is an abundant number, since it is smaller than the sum of its proper divisors (4308533430).

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

3855003402 is a wasteful number, since it uses less digits than its factorization.

3855003402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37794173.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 3855003402 is about 62088.6737014087. The cubic root of 3855003402 is about 1567.9838620810.

Adding to 3855003402 its reverse (2043005583), we get a palindrome (5898008985).

The spelling of 3855003402 in words is "three billion, eight hundred fifty-five million, three thousand, four hundred two".