381530604 has 48 divisors (see below), whose sum is σ = 1095680768. Its totient is φ = 100623168.

The previous prime is 381530599. The next prime is 381530627. The reversal of 381530604 is 406035183.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173602 + ... + 175785.

Almost surely, 2^381530604 is an apocalyptic number.

It is an amenable number.

381530604 is an abundant number, since it is smaller than the sum of its proper divisors (714150164).

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

381530604 is a wasteful number, since it uses less digits than its factorization.

381530604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349414 (or 349412 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 381530604 is about 19532.8084002276. The cubic root of 381530604 is about 725.2868331555.

Adding to 381530604 its reverse (406035183), we get a palindrome (787565787).

The spelling of 381530604 in words is "three hundred eighty-one million, five hundred thirty thousand, six hundred four".