38428834 has 16 divisors (see below), whose sum is σ = 58705920. Its totient is φ = 18863280.

The previous prime is 38428807. The next prime is 38428843. The reversal of 38428834 is 43882483.

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, 29407 + ... + 30685.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 2^38428834 is an apocalyptic number.

38428834 is a deficient number, since it is larger than the sum of its proper divisors (20277086).

38428834 is a wasteful number, since it uses less digits than its factorization.

38428834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545.

The product of its digits is 147456, while the sum is 40.

The square root of 38428834 is about 6199.0994507267. The cubic root of 38428834 is about 337.4574878323.

The spelling of 38428834 in words is "thirty-eight million, four hundred twenty-eight thousand, eight hundred thirty-four".