2447306428 has 18 divisors (see below), whose sum is σ = 4895136456. Its totient is φ = 1048733424.

The previous prime is 2447306363. The next prime is 2447306453. The reversal of 2447306428 is 8246037442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257098 + ... + 266446.

Almost surely, 2^2447306428 is an apocalyptic number.

2447306428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2447306428 is an abundant number, since it is smaller than the sum of its proper divisors (2447830028).

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

2447306428 is an frugal number, since it uses more digits than its factorization.

2447306428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18709 (or 9358 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 40.

The square root of 2447306428 is about 49470.2580142857. The cubic root of 2447306428 is about 1347.6055273997.

Multiplying 2447306428 by its product of nonzero digits (258048), we get a square (631522529132544 = 25130112²).

The spelling of 2447306428 in words is "two billion, four hundred forty-seven million, three hundred six thousand, four hundred twenty-eight".