381900610 has 96 divisors (see below), whose sum is σ = 868734720. Its totient is φ = 119806848.

The previous prime is 381900601. The next prime is 381900613. The reversal of 381900610 is 16009183.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381900613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1063611 + ... + 1063969.

It is an arithmetic number, because the mean of its divisors is an integer number (9049320).

Almost surely, 2^381900610 is an apocalyptic number.

381900610 is an abundant number, since it is smaller than the sum of its proper divisors (486834110).

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

381900610 is a wasteful number, since it uses less digits than its factorization.

381900610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 381900610 is about 19542.2775028910. The cubic root of 381900610 is about 725.5212169528.

Adding to 381900610 its reverse (16009183), we get a palindrome (397909793).

The spelling of 381900610 in words is "three hundred eighty-one million, nine hundred thousand, six hundred ten".