380853731 has 4 divisors (see below), whose sum is σ = 384224232. Its totient is φ = 377483232.

The previous prime is 380853713. The next prime is 380853749. The reversal of 380853731 is 137358083.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (380853713) and next prime (380853749).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380853731 is a prime.

It is a super-2 number, since 2×380853731² = 290099128833240722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380853701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685081 + ... + 1685306.

It is an arithmetic number, because the mean of its divisors is an integer number (96056058).

Almost surely, 2^380853731 is an apocalyptic number.

380853731 is a deficient number, since it is larger than the sum of its proper divisors (3370501).

380853731 is a wasteful number, since it uses less digits than its factorization.

380853731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370500.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 380853731 is about 19515.4741423313. The cubic root of 380853731 is about 724.8576690870.

The spelling of 380853731 in words is "three hundred eighty million, eight hundred fifty-three thousand, seven hundred thirty-one".