38066420 has 24 divisors (see below), whose sum is σ = 91359744. Its totient is φ = 13051296.

The previous prime is 38066407. The next prime is 38066429. The reversal of 38066420 is 2466083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38066429) 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, 135812 + ... + 136091.

It is an arithmetic number, because the mean of its divisors is an integer number (3806656).

Almost surely, 2^38066420 is an apocalyptic number.

It is an amenable number.

38066420 is an abundant number, since it is smaller than the sum of its proper divisors (53293324).

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

38066420 is a wasteful number, since it uses less digits than its factorization.

38066420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271919 (or 271917 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 38066420 is about 6169.7990242795. The cubic root of 38066420 is about 336.3933059691.

The spelling of 38066420 in words is "thirty-eight million, sixty-six thousand, four hundred twenty".