28746460 has 12 divisors (see below), whose sum is σ = 60367608. Its totient is φ = 11498576.

The previous prime is 28746427. The next prime is 28746463. The reversal of 28746460 is 6464782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28746463) 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, 718642 + ... + 718681.

It is an arithmetic number, because the mean of its divisors is an integer number (5030634).

Almost surely, 2^28746460 is an apocalyptic number.

28746460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28746460 is an abundant number, since it is smaller than the sum of its proper divisors (31621148).

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

28746460 is a wasteful number, since it uses less digits than its factorization.

28746460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437332 (or 1437330 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 28746460 is about 5361.5725305175. The cubic root of 28746460 is about 306.3337097283. Note that the first 3 decimals are identical.

The spelling of 28746460 in words is "twenty-eight million, seven hundred forty-six thousand, four hundred sixty".