381496737 has 8 divisors (see below), whose sum is σ = 509224320. Its totient is φ = 254050160.

The previous prime is 381496733. The next prime is 381496741. The reversal of 381496737 is 737694183.

It is an interprime number because it is at equal distance from previous prime (381496733) and next prime (381496741).

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 381496737 - 2² = 381496733 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381496733) 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, 67062 + ... + 72527.

It is an arithmetic number, because the mean of its divisors is an integer number (63653040).

Almost surely, 2^381496737 is an apocalyptic number.

It is an amenable number.

381496737 is a deficient number, since it is larger than the sum of its proper divisors (127727583).

381496737 is a wasteful number, since it uses less digits than its factorization.

381496737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140503.

The product of its digits is 762048, while the sum is 48.

The square root of 381496737 is about 19531.9414549604. The cubic root of 381496737 is about 725.2653722157.

The spelling of 381496737 in words is "three hundred eighty-one million, four hundred ninety-six thousand, seven hundred thirty-seven".