38411988 has 12 divisors (see below), whose sum is σ = 89628000. Its totient is φ = 12803992.

The previous prime is 38411983. The next prime is 38412041. The reversal of 38411988 is 88911483.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×38411988² = 2950961644224288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38411983) 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, 1600488 + ... + 1600511.

It is an arithmetic number, because the mean of its divisors is an integer number (7469000).

Almost surely, 2^38411988 is an apocalyptic number.

It is an amenable number.

38411988 is an abundant number, since it is smaller than the sum of its proper divisors (51216012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38411988 is a wasteful number, since it uses less digits than its factorization.

38411988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201006 (or 3201004 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 38411988 is about 6197.7405560414. The cubic root of 38411988 is about 337.4081703526.

The spelling of 38411988 in words is "thirty-eight million, four hundred eleven thousand, nine hundred eighty-eight".