381542435 has 8 divisors (see below), whose sum is σ = 458278656. Its totient is φ = 304948800.

The previous prime is 381542411. The next prime is 381542437. The reversal of 381542435 is 534245183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 381542435 - 2²⁸ = 113106979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381542395 and 381542404.

It is not an unprimeable number, because it can be changed into a prime (381542437) 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, 29666 + ... + 40535.

It is an arithmetic number, because the mean of its divisors is an integer number (57284832).

Almost surely, 2^381542435 is an apocalyptic number.

381542435 is a deficient number, since it is larger than the sum of its proper divisors (76736221).

381542435 is a wasteful number, since it uses less digits than its factorization.

381542435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71293.

The product of its digits is 57600, while the sum is 35.

The square root of 381542435 is about 19533.1112473154. Note that the first 3 decimals coincide. The cubic root of 381542435 is about 725.2943299589.

The spelling of 381542435 in words is "three hundred eighty-one million, five hundred forty-two thousand, four hundred thirty-five".