28402958 has 8 divisors (see below), whose sum is σ = 43043952. Its totient is φ = 14054976.

The previous prime is 28402951. The next prime is 28402963. The reversal of 28402958 is 85920482.

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 (28402951) 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, 73010 + ... + 73397.

It is an arithmetic number, because the mean of its divisors is an integer number (5380494).

Almost surely, 2^28402958 is an apocalyptic number.

28402958 is a deficient number, since it is larger than the sum of its proper divisors (14640994).

28402958 is a wasteful number, since it uses less digits than its factorization.

28402958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146506.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 28402958 is about 5329.4425599682. The cubic root of 28402958 is about 305.1086525013.

The spelling of 28402958 in words is "twenty-eight million, four hundred two thousand, nine hundred fifty-eight".