38707146 has 40 divisors (see below), whose sum is σ = 87112740. Its totient is φ = 12845952.

The previous prime is 38707111. The next prime is 38707153. The reversal of 38707146 is 64170783.

It can be written as a sum of positive squares in 2 ways, for example, as 34751025 + 3956121 = 5895^2 + 1989^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38707146.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54240 + ... + 54948.

Almost surely, 2^38707146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38707146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43556370).

38707146 is an abundant number, since it is smaller than the sum of its proper divisors (48405594).

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

38707146 is a wasteful number, since it uses less digits than its factorization.

38707146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 38707146 is about 6221.5067306883. The cubic root of 38707146 is about 338.2701818333.

The spelling of 38707146 in words is "thirty-eight million, seven hundred seven thousand, one hundred forty-six".