38070381 has 8 divisors (see below), whose sum is σ = 50808544. Its totient is φ = 25356240.

The previous prime is 38070379. The next prime is 38070391. The reversal of 38070381 is 18307083.

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

It is not a de Polignac number, because 38070381 - 2¹ = 38070379 is a prime.

It is a super-2 number, since 2×38070381² = 2898707818970322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38070371) 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, 1906 + ... + 8931.

It is an arithmetic number, because the mean of its divisors is an integer number (6351068).

Almost surely, 2^38070381 is an apocalyptic number.

It is an amenable number.

38070381 is a deficient number, since it is larger than the sum of its proper divisors (12738163).

38070381 is a wasteful number, since it uses less digits than its factorization.

38070381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 38070381 is about 6170.1200150402. The cubic root of 38070381 is about 336.4049733623.

The spelling of 38070381 in words is "thirty-eight million, seventy thousand, three hundred eighty-one".