28425958 has 8 divisors (see below), whose sum is σ = 46515240. Its totient is φ = 12920880.

The previous prime is 28425883. The next prime is 28425959. The reversal of 28425958 is 85952482.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28425959) 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, 646023 + ... + 646066.

It is an arithmetic number, because the mean of its divisors is an integer number (5814405).

Almost surely, 2^28425958 is an apocalyptic number.

28425958 is a deficient number, since it is larger than the sum of its proper divisors (18089282).

28425958 is a wasteful number, since it uses less digits than its factorization.

28425958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292102.

The product of its digits is 230400, while the sum is 43.

The square root of 28425958 is about 5331.5999474829. The cubic root of 28425958 is about 305.1909867153.

The spelling of 28425958 in words is "twenty-eight million, four hundred twenty-five thousand, nine hundred fifty-eight".