38569146 has 64 divisors (see below), whose sum is σ = 99311616. Its totient is φ = 9691200.

The previous prime is 38569127. The next prime is 38569163. The reversal of 38569146 is 64196583.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 38569098 and 38569107.

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, 12976 + ... + 15668.

It is an arithmetic number, because the mean of its divisors is an integer number (1551744).

Almost surely, 2^38569146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38569146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49655808).

38569146 is an abundant number, since it is smaller than the sum of its proper divisors (60742470).

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

38569146 is a wasteful number, since it uses less digits than its factorization.

38569146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747.

The product of its digits is 155520, while the sum is 42.

The square root of 38569146 is about 6210.4062669040. The cubic root of 38569146 is about 337.8676991169.

The spelling of 38569146 in words is "thirty-eight million, five hundred sixty-nine thousand, one hundred forty-six".