246921642 has 64 divisors (see below), whose sum is σ = 600462720. Its totient is φ = 74592000.

The previous prime is 246921641. The next prime is 246921659. The reversal of 246921642 is 246129642.

246921642 is a `hidden beast` number, since 2 + 4 + 6 + 9 + 2 + 1 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 246921597 and 246921606.

It is not an unprimeable number, because it can be changed into a prime (246921641) 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, 351892 + ... + 352592.

It is an arithmetic number, because the mean of its divisors is an integer number (9382230).

Almost surely, 2^246921642 is an apocalyptic number.

246921642 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 246921642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300231360).

246921642 is an abundant number, since it is smaller than the sum of its proper divisors (353541078).

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

246921642 is a wasteful number, since it uses less digits than its factorization.

246921642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1310 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 246921642 is about 15713.7405476863. The cubic root of 246921642 is about 627.3641802731.

The spelling of 246921642 in words is "two hundred forty-six million, nine hundred twenty-one thousand, six hundred forty-two".