28999348 has 24 divisors (see below), whose sum is σ = 61411392. Its totient is φ = 11697024.

The previous prime is 28999337. The next prime is 28999349. The reversal of 28999348 is 84399982.

It is a junction number, because it is equal to n+sod(n) for n = 28999295 and 28999304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28999349) 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, 29986 + ... + 30937.

It is an arithmetic number, because the mean of its divisors is an integer number (2558808).

Almost surely, 2^28999348 is an apocalyptic number.

28999348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28999348 is an abundant number, since it is smaller than the sum of its proper divisors (32412044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28999348 is a wasteful number, since it uses less digits than its factorization.

28999348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60951 (or 60949 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 28999348 is about 5385.1042701140. The cubic root of 28999348 is about 307.2293800794.

The spelling of 28999348 in words is "twenty-eight million, nine hundred ninety-nine thousand, three hundred forty-eight".