38749146 has 16 divisors (see below), whose sum is σ = 77565600. Its totient is φ = 12905168.

The previous prime is 38749111. The next prime is 38749147. The reversal of 38749146 is 64194783.

It is a junction number, because it is equal to n+sod(n) for n = 38749098 and 38749107.

It is not an unprimeable number, because it can be changed into a prime (38749147) 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, 7720 + ... + 11708.

It is an arithmetic number, because the mean of its divisors is an integer number (4847850).

Almost surely, 2^38749146 is an apocalyptic number.

38749146 is an abundant number, since it is smaller than the sum of its proper divisors (38816454).

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

38749146 is a wasteful number, since it uses less digits than its factorization.

38749146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613.

The product of its digits is 145152, while the sum is 42.

The square root of 38749146 is about 6224.8812036857. The cubic root of 38749146 is about 338.3924866576.

The spelling of 38749146 in words is "thirty-eight million, seven hundred forty-nine thousand, one hundred forty-six".