3238428073 has 16 divisors (see below), whose sum is σ = 3481470720. Its totient is φ = 3001331200.

The previous prime is 3238428023. The next prime is 3238428139. The reversal of 3238428073 is 3708248323.

It is a cyclic number.

It is not a de Polignac number, because 3238428073 - 2⁹ = 3238427561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3238428023) 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, 1880853 + ... + 1882573.

It is an arithmetic number, because the mean of its divisors is an integer number (217591920).

Almost surely, 2^3238428073 is an apocalyptic number.

It is an amenable number.

3238428073 is a deficient number, since it is larger than the sum of its proper divisors (243042647).

3238428073 is a wasteful number, since it uses less digits than its factorization.

3238428073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 3238428073 is about 56907.1882366367. The cubic root of 3238428073 is about 1479.4879030884.

The spelling of 3238428073 in words is "three billion, two hundred thirty-eight million, four hundred twenty-eight thousand, seventy-three".