28613548 has 6 divisors (see below), whose sum is σ = 50073716. Its totient is φ = 14306772.

The previous prime is 28613539. The next prime is 28613549. The reversal of 28613548 is 84531682.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28613549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3576690 + ... + 3576697.

Almost surely, 2^28613548 is an apocalyptic number.

It is an amenable number.

28613548 is a deficient number, since it is larger than the sum of its proper divisors (21460168).

28613548 is a wasteful number, since it uses less digits than its factorization.

28613548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153391 (or 7153389 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 28613548 is about 5349.1632990590. The cubic root of 28613548 is about 305.8608591783.

It can be divided in two parts, 28613 and 548, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 28613548 in words is "twenty-eight million, six hundred thirteen thousand, five hundred forty-eight".