381867700 has 36 divisors (see below), whose sum is σ = 872270560. Its totient is φ = 144707040.

The previous prime is 381867697. The next prime is 381867701. The reversal of 381867700 is 7768183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381867701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98592 + ... + 102391.

Almost surely, 2^381867700 is an apocalyptic number.

It is an amenable number.

381867700 is an abundant number, since it is smaller than the sum of its proper divisors (490402860).

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

381867700 is a wasteful number, since it uses less digits than its factorization.

381867700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201016 (or 201009 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 381867700 is about 19541.4354641618. The cubic root of 381867700 is about 725.5003759377.

The spelling of 381867700 in words is "three hundred eighty-one million, eight hundred sixty-seven thousand, seven hundred".