246121389 has 16 divisors (see below), whose sum is σ = 364875840. Its totient is φ = 163967760.

The previous prime is 246121333. The next prime is 246121417. The reversal of 246121389 is 983121642.

246121389 is a `hidden beast` number, since 2 + 4 + 612 + 1 + 38 + 9 = 666.

It is not a de Polignac number, because 246121389 - 2⁸ = 246121133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246121789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59199 + ... + 63219.

It is an arithmetic number, because the mean of its divisors is an integer number (22804740).

Almost surely, 2^246121389 is an apocalyptic number.

It is an amenable number.

246121389 is a deficient number, since it is larger than the sum of its proper divisors (118754451).

246121389 is a wasteful number, since it uses less digits than its factorization.

246121389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6297 (or 6291 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 246121389 is about 15688.2564040750. The cubic root of 246121389 is about 626.6857013169.

The spelling of 246121389 in words is "two hundred forty-six million, one hundred twenty-one thousand, three hundred eighty-nine".