381042634 has 16 divisors (see below), whose sum is σ = 653507136. Its totient is φ = 163231200.

The previous prime is 381042589. The next prime is 381042637. The reversal of 381042634 is 436240183.

It is a junction number, because it is equal to n+sod(n) for n = 381042596 and 381042605.

It is not an unprimeable number, because it can be changed into a prime (381042637) 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, 37014 + ... + 46174.

It is an arithmetic number, because the mean of its divisors is an integer number (40844196).

Almost surely, 2^381042634 is an apocalyptic number.

381042634 is a deficient number, since it is larger than the sum of its proper divisors (272464502).

381042634 is a wasteful number, since it uses less digits than its factorization.

381042634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12141.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 381042634 is about 19520.3133683863. The cubic root of 381042634 is about 724.9774921272.

The spelling of 381042634 in words is "three hundred eighty-one million, forty-two thousand, six hundred thirty-four".