381202272 has 108 divisors (see below), whose sum is σ = 1191661380. Its totient is φ = 115505280.

The previous prime is 381202259. The next prime is 381202273. The reversal of 381202272 is 272202183.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381202273) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29379 + ... + 40317.

Almost surely, 2^381202272 is an apocalyptic number.

381202272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381202272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595830690).

381202272 is an abundant number, since it is smaller than the sum of its proper divisors (810459108).

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

381202272 is a wasteful number, since it uses less digits than its factorization.

381202272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10977 (or 10955 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 381202272 is about 19524.4019626722. The cubic root of 381202272 is about 725.0787212182.

The spelling of 381202272 in words is "three hundred eighty-one million, two hundred two thousand, two hundred seventy-two".