28347462 has 64 divisors (see below), whose sum is σ = 74027520. Its totient is φ = 7927200.

The previous prime is 28347443. The next prime is 28347463. The reversal of 28347462 is 26474382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28347463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5887 + ... + 9557.

It is an arithmetic number, because the mean of its divisors is an integer number (1156680).

Almost surely, 2^28347462 is an apocalyptic number.

28347462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28347462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37013760).

28347462 is an abundant number, since it is smaller than the sum of its proper divisors (45680058).

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

28347462 is a wasteful number, since it uses less digits than its factorization.

28347462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706 (or 3700 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 28347462 is about 5324.2334659555. The cubic root of 28347462 is about 304.9098076055.

Subtracting from 28347462 its reverse (26474382), we obtain a triangular number (1873080 = T₁₉₃₅).

It can be divided in two parts, 2834 and 7462, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 28347462 in words is "twenty-eight million, three hundred forty-seven thousand, four hundred sixty-two".