380581690 has 16 divisors (see below), whose sum is σ = 714832128. Its totient is φ = 145613776.

The previous prime is 380581687. The next prime is 380581709. The reversal of 380581690 is 96185083.

It is a happy number.

It is a super-2 number, since 2×380581690² = 289684845526512200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827122 + ... + 827581.

It is an arithmetic number, because the mean of its divisors is an integer number (44677008).

Almost surely, 2^380581690 is an apocalyptic number.

380581690 is a deficient number, since it is larger than the sum of its proper divisors (334250438).

380581690 is a wasteful number, since it uses less digits than its factorization.

380581690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654733.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 380581690 is about 19508.5030179150. The cubic root of 380581690 is about 724.6850411562.

The spelling of 380581690 in words is "three hundred eighty million, five hundred eighty-one thousand, six hundred ninety".