28601552 has 20 divisors (see below), whose sum is σ = 63332256. Its totient is φ = 12257760.

The previous prime is 28601539. The next prime is 28601557. The reversal of 28601552 is 25510682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28601557) 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, 127574 + ... + 127797.

Almost surely, 2^28601552 is an apocalyptic number.

It is an amenable number.

28601552 is an abundant number, since it is smaller than the sum of its proper divisors (34730704).

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

28601552 is a wasteful number, since it uses less digits than its factorization.

28601552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255386 (or 255380 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 28601552 is about 5348.0418846527. The cubic root of 28601552 is about 305.8181099681.

The spelling of 28601552 in words is "twenty-eight million, six hundred one thousand, five hundred fifty-two".