381626085 has 8 divisors (see below), whose sum is σ = 610601760. Its totient is φ = 203533904.

The previous prime is 381626057. The next prime is 381626087. The reversal of 381626085 is 580626183.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 381626085 - 2⁷ = 381625957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381626087) 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, 12720855 + ... + 12720884.

It is an arithmetic number, because the mean of its divisors is an integer number (76325220).

Almost surely, 2^381626085 is an apocalyptic number.

It is an amenable number.

381626085 is a deficient number, since it is larger than the sum of its proper divisors (228975675).

381626085 is a wasteful number, since it uses less digits than its factorization.

381626085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25441747.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 381626085 is about 19535.2523659153. The cubic root of 381626085 is about 725.3473309988.

The spelling of 381626085 in words is "three hundred eighty-one million, six hundred twenty-six thousand, eighty-five".