28799452 has 36 divisors (see below), whose sum is σ = 55897240. Its totient is φ = 12972960.

The previous prime is 28799447. The next prime is 28799461. The reversal of 28799452 is 25499782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75799 + ... + 76177.

Almost surely, 2^28799452 is an apocalyptic number.

28799452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28799452 is a deficient number, since it is larger than the sum of its proper divisors (27097788).

28799452 is a wasteful number, since it uses less digits than its factorization.

28799452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 549 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 28799452 is about 5366.5120888711. The cubic root of 28799452 is about 306.5218287897.

It can be divided in two parts, 28 and 799452, that added together give a triangular number (799480 = T₁₂₆₄).

The spelling of 28799452 in words is "twenty-eight million, seven hundred ninety-nine thousand, four hundred fifty-two".