28472496 has 80 divisors (see below), whose sum is σ = 80161536. Its totient is φ = 8656128.

The previous prime is 28472489. The next prime is 28472533. The reversal of 28472496 is 69427482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64051 + ... + 64493.

Almost surely, 2^28472496 is an apocalyptic number.

28472496 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28472496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40080768).

28472496 is an abundant number, since it is smaller than the sum of its proper divisors (51689040).

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

28472496 is a wasteful number, since it uses less digits than its factorization.

28472496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 564 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 28472496 is about 5335.9625186090. The cubic root of 28472496 is about 305.3574453011.

Subtracting from 28472496 its product of digits (193536), we obtain a triangular number (28278960 = T₇₅₂₀).

The spelling of 28472496 in words is "twenty-eight million, four hundred seventy-two thousand, four hundred ninety-six".