28373937 has 8 divisors (see below), whose sum is σ = 38711904. Its totient is φ = 18475968.

The previous prime is 28373929. The next prime is 28373953. The reversal of 28373937 is 73937382.

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

It is not a de Polignac number, because 28373937 - 2³ = 28373929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28373537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109848 + ... + 110105.

It is an arithmetic number, because the mean of its divisors is an integer number (4838988).

Almost surely, 2^28373937 is an apocalyptic number.

It is an amenable number.

28373937 is a deficient number, since it is larger than the sum of its proper divisors (10337967).

28373937 is a wasteful number, since it uses less digits than its factorization.

28373937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219999.

The product of its digits is 190512, while the sum is 42.

The square root of 28373937 is about 5326.7191591072. The cubic root of 28373937 is about 305.0047011727.

The spelling of 28373937 in words is "twenty-eight million, three hundred seventy-three thousand, nine hundred thirty-seven".