38402434 has 8 divisors (see below), whose sum is σ = 65832768. Its totient is φ = 16458180.

The previous prime is 38402381. The next prime is 38402437. The reversal of 38402434 is 43420483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (38402437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371502 + ... + 1371529.

It is an arithmetic number, because the mean of its divisors is an integer number (8229096).

Almost surely, 2^38402434 is an apocalyptic number.

38402434 is a deficient number, since it is larger than the sum of its proper divisors (27430334).

38402434 is a wasteful number, since it uses less digits than its factorization.

38402434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743040.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 38402434 is about 6196.9697433504. The cubic root of 38402434 is about 337.3801941476.

The spelling of 38402434 in words is "thirty-eight million, four hundred two thousand, four hundred thirty-four".