381749110 has 16 divisors (see below), whose sum is σ = 727569216. Its totient is φ = 143717248.

The previous prime is 381749107. The next prime is 381749117. The reversal of 381749110 is 11947183.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381749117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122622 + ... + 1122961.

It is an arithmetic number, because the mean of its divisors is an integer number (45473076).

Almost surely, 2^381749110 is an apocalyptic number.

381749110 is a deficient number, since it is larger than the sum of its proper divisors (345820106).

381749110 is a wasteful number, since it uses less digits than its factorization.

381749110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245607.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 381749110 is about 19538.4009069320. The cubic root of 381749110 is about 725.4252661571.

The spelling of 381749110 in words is "three hundred eighty-one million, seven hundred forty-nine thousand, one hundred ten".