381903102 has 48 divisors (see below), whose sum is σ = 946857600. Its totient is φ = 108977616.

The previous prime is 381903101. The next prime is 381903131. The reversal of 381903102 is 201309183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381903101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140149 + ... + 142847.

It is an arithmetic number, because the mean of its divisors is an integer number (19726200).

Almost surely, 2^381903102 is an apocalyptic number.

381903102 is an abundant number, since it is smaller than the sum of its proper divisors (564954498).

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

381903102 is a wasteful number, since it uses less digits than its factorization.

381903102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837 (or 3834 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 381903102 is about 19542.3412619880. The cubic root of 381903102 is about 725.5227950204.

The spelling of 381903102 in words is "three hundred eighty-one million, nine hundred three thousand, one hundred two".