38061881 has 12 divisors (see below), whose sum is σ = 45056676. Its totient is φ = 31938720.

The previous prime is 38061871. The next prime is 38061911. The reversal of 38061881 is 18816083.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7203856 + 30858025 = 2684^2 + 5555^2 .

It is not a de Polignac number, because 38061881 - 2¹⁸ = 37799737 is a prime.

It is a super-2 number, since 2×38061881² = 2897413570516322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38061811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10526 + ... + 13671.

It is an arithmetic number, because the mean of its divisors is an integer number (3754723).

Almost surely, 2^38061881 is an apocalyptic number.

It is an amenable number.

38061881 is a deficient number, since it is larger than the sum of its proper divisors (6994795).

38061881 is a wasteful number, since it uses less digits than its factorization.

38061881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24232 (or 24221 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 38061881 is about 6169.4311731310. The cubic root of 38061881 is about 336.3799350426.

The spelling of 38061881 in words is "thirty-eight million, sixty-one thousand, eight hundred eighty-one".