1246491828 has 36 divisors (see below), whose sum is σ = 3267555200. Its totient is φ = 415496952.

The previous prime is 1246491823. The next prime is 1246491847. The reversal of 1246491828 is 8281946421.

1246491828 is a `hidden beast` number, since 1 + 2 + 464 + 9 + 182 + 8 = 666.

1246491828 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246491821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640228 + ... + 642171.

Almost surely, 2^1246491828 is an apocalyptic number.

1246491828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1246491828 is an abundant number, since it is smaller than the sum of its proper divisors (2021063372).

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

1246491828 is a wasteful number, since it uses less digits than its factorization.

1246491828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282418 (or 1282404 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1246491828 is about 35305.6911559595. The cubic root of 1246491828 is about 1076.2086504528.

The spelling of 1246491828 in words is "one billion, two hundred forty-six million, four hundred ninety-one thousand, eight hundred twenty-eight".