28507341 has 16 divisors (see below), whose sum is σ = 39146688. Its totient is φ = 18441600.

The previous prime is 28507337. The next prime is 28507357. The reversal of 28507341 is 14370582.

It is not a de Polignac number, because 28507341 - 2² = 28507337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28507299 and 28507308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28507331) 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, 27411 + ... + 28431.

It is an arithmetic number, because the mean of its divisors is an integer number (2446668).

Almost surely, 2^28507341 is an apocalyptic number.

It is an amenable number.

28507341 is a deficient number, since it is larger than the sum of its proper divisors (10639347).

28507341 is a wasteful number, since it uses less digits than its factorization.

28507341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 28507341 is about 5339.2266293912. The cubic root of 28507341 is about 305.4819612854.

The spelling of 28507341 in words is "twenty-eight million, five hundred seven thousand, three hundred forty-one".