381548502 has 32 divisors (see below), whose sum is σ = 849139200. Its totient is φ = 126994824.

The previous prime is 381548483. The next prime is 381548507. The reversal of 381548502 is 205845183.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381548507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34399 + ... + 44117.

It is an arithmetic number, because the mean of its divisors is an integer number (26535600).

Almost surely, 2^381548502 is an apocalyptic number.

381548502 is an abundant number, since it is smaller than the sum of its proper divisors (467590698).

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

381548502 is a wasteful number, since it uses less digits than its factorization.

381548502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10457 (or 10451 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 381548502 is about 19533.2665470986. The cubic root of 381548502 is about 725.2981742997.

It can be divided in two parts, 38154 and 8502, that added together give a 6-th power (46656 = 6⁶).

The spelling of 381548502 in words is "three hundred eighty-one million, five hundred forty-eight thousand, five hundred two".