381747601 has 8 divisors (see below), whose sum is σ = 402019200. Its totient is φ = 361494000.

The previous prime is 381747599. The next prime is 381747607. The reversal of 381747601 is 106747183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 381747601 - 2¹ = 381747599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381747607) 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, 77976 + ... + 82726.

It is an arithmetic number, because the mean of its divisors is an integer number (50252400).

Almost surely, 2^381747601 is an apocalyptic number.

It is an amenable number.

381747601 is a deficient number, since it is larger than the sum of its proper divisors (20271599).

381747601 is a wasteful number, since it uses less digits than its factorization.

381747601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 381747601 is about 19538.3622906322. The cubic root of 381747601 is about 725.4243103215.

The spelling of 381747601 in words is "three hundred eighty-one million, seven hundred forty-seven thousand, six hundred one".