38143338 has 16 divisors (see below), whose sum is σ = 79603776. Its totient is φ = 12161600.

The previous prime is 38143327. The next prime is 38143373. The reversal of 38143338 is 83334183.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38143299 and 38143308.

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, 138063 + ... + 138338.

It is an arithmetic number, because the mean of its divisors is an integer number (4975236).

Almost surely, 2^38143338 is an apocalyptic number.

38143338 is an abundant number, since it is smaller than the sum of its proper divisors (41460438).

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

38143338 is a wasteful number, since it uses less digits than its factorization.

38143338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276429.

The product of its digits is 20736, while the sum is 33.

The square root of 38143338 is about 6176.0293069253. The cubic root of 38143338 is about 336.6197285584.

The spelling of 38143338 in words is "thirty-eight million, one hundred forty-three thousand, three hundred thirty-eight".