381006716 has 6 divisors (see below), whose sum is σ = 666761760. Its totient is φ = 190503356.

The previous prime is 381006701. The next prime is 381006739. The reversal of 381006716 is 617600183.

It is a super-2 number, since 2×381006716² = 290332235274209312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47625836 + ... + 47625843.

It is an arithmetic number, because the mean of its divisors is an integer number (111126960).

Almost surely, 2^381006716 is an apocalyptic number.

It is an amenable number.

381006716 is a deficient number, since it is larger than the sum of its proper divisors (285755044).

381006716 is a wasteful number, since it uses less digits than its factorization.

381006716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95251683 (or 95251681 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 381006716 is about 19519.3933307365. The cubic root of 381006716 is about 724.9547120344.

Adding to 381006716 its reverse (617600183), we get a palindrome (998606899).

The spelling of 381006716 in words is "three hundred eighty-one million, six thousand, seven hundred sixteen".