38061660 has 96 divisors (see below), whose sum is σ = 131185152. Its totient is φ = 8029440.

The previous prime is 38061637. The next prime is 38061697. The reversal of 38061660 is 6616083.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1975 + ... + 8945.

It is an arithmetic number, because the mean of its divisors is an integer number (1366512).

Almost surely, 2^38061660 is an apocalyptic number.

38061660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38061660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65592576).

38061660 is an abundant number, since it is smaller than the sum of its proper divisors (93123492).

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

38061660 is a wasteful number, since it uses less digits than its factorization.

38061660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003 (or 7001 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 38061660 is about 6169.4132622155. The cubic root of 38061660 is about 336.3792839966.

The spelling of 38061660 in words is "thirty-eight million, sixty-one thousand, six hundred sixty".