381417245 has 8 divisors (see below), whose sum is σ = 499309920. Its totient is φ = 277394320.

The previous prime is 381417233. The next prime is 381417271. The reversal of 381417245 is 542714183.

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

It is not a de Polignac number, because 381417245 - 2⁸ = 381416989 is a prime.

It is a super-2 number, since 2×381417245² = 290958229566780050, 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 in 7 ways as a sum of consecutive naturals, for example, 3467375 + ... + 3467484.

It is an arithmetic number, because the mean of its divisors is an integer number (62413740).

Almost surely, 2^381417245 is an apocalyptic number.

It is an amenable number.

381417245 is a deficient number, since it is larger than the sum of its proper divisors (117892675).

381417245 is a wasteful number, since it uses less digits than its factorization.

381417245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934875.

The product of its digits is 26880, while the sum is 35.

The square root of 381417245 is about 19529.9064257871. The cubic root of 381417245 is about 725.2149945023.

The spelling of 381417245 in words is "three hundred eighty-one million, four hundred seventeen thousand, two hundred forty-five".