38143434 has 32 divisors (see below), whose sum is σ = 87883776. Its totient is φ = 10810800.

The previous prime is 38143433. The next prime is 38143459. The reversal of 38143434 is 43434183.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38143433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1759 + ... + 8909.

It is an arithmetic number, because the mean of its divisors is an integer number (2746368).

Almost surely, 2^38143434 is an apocalyptic number.

38143434 is an abundant number, since it is smaller than the sum of its proper divisors (49740342).

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

38143434 is a wasteful number, since it uses less digits than its factorization.

38143434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290.

The product of its digits is 13824, while the sum is 30.

The square root of 38143434 is about 6176.0370789042. The cubic root of 38143434 is about 336.6200109622.

The spelling of 38143434 in words is "thirty-eight million, one hundred forty-three thousand, four hundred thirty-four".