38053830 has 16 divisors (see below), whose sum is σ = 91329264. Its totient is φ = 10147680.

The previous prime is 38053823. The next prime is 38053849. The reversal of 38053830 is 3835083.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1268461 = 38053830 / (3 + 8 + 0 + 5 + 3 + 8 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634201 + ... + 634260.

It is an arithmetic number, because the mean of its divisors is an integer number (5708079).

Almost surely, 2^38053830 is an apocalyptic number.

38053830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38053830 is an abundant number, since it is smaller than the sum of its proper divisors (53275434).

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

38053830 is a wasteful number, since it uses less digits than its factorization.

38053830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268471.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 38053830 is about 6168.7786473499. The cubic root of 38053830 is about 336.3562158976.

It can be divided in two parts, 38053 and 830, that added together give a palindrome (38883).

The spelling of 38053830 in words is "thirty-eight million, fifty-three thousand, eight hundred thirty".