38428718 has 8 divisors (see below), whose sum is σ = 59201112. Its totient is φ = 18695016.

The previous prime is 38428693. The next prime is 38428723. The reversal of 38428718 is 81782483.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259580 + ... + 259727.

It is an arithmetic number, because the mean of its divisors is an integer number (7400139).

Almost surely, 2^38428718 is an apocalyptic number.

38428718 is a deficient number, since it is larger than the sum of its proper divisors (20772394).

38428718 is a wasteful number, since it uses less digits than its factorization.

38428718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519346.

The product of its digits is 86016, while the sum is 41.

The square root of 38428718 is about 6199.0900945219. The cubic root of 38428718 is about 337.4571482860.

The spelling of 38428718 in words is "thirty-eight million, four hundred twenty-eight thousand, seven hundred eighteen".