381026746 has 16 divisors (see below), whose sum is σ = 606014784. Its totient is φ = 179053504.

The previous prime is 381026743. The next prime is 381026747. The reversal of 381026746 is 647620183.

It is not an unprimeable number, because it can be changed into a prime (381026743) 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, 17721 + ... + 32803.

It is an arithmetic number, because the mean of its divisors is an integer number (37875924).

Almost surely, 2^381026746 is an apocalyptic number.

381026746 is a deficient number, since it is larger than the sum of its proper divisors (224988038).

381026746 is a wasteful number, since it uses less digits than its factorization.

381026746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15845.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 381026746 is about 19519.9064034641. The cubic root of 381026746 is about 724.9674157373.

The spelling of 381026746 in words is "three hundred eighty-one million, twenty-six thousand, seven hundred forty-six".