246749646 has 64 divisors (see below), whose sum is σ = 598542336. Its totient is φ = 66787200.

The previous prime is 246749641. The next prime is 246749663. The reversal of 246749646 is 646947642.

It is a super-2 number, since 2×246749646² = 121770775602250632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 246749595 and 246749604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246749641) 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, 21960 + ... + 31236.

It is an arithmetic number, because the mean of its divisors is an integer number (9352224).

Almost surely, 2^246749646 is an apocalyptic number.

246749646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 246749646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299271168).

246749646 is an abundant number, since it is smaller than the sum of its proper divisors (351792690).

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

246749646 is a wasteful number, since it uses less digits than its factorization.

246749646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9337.

The product of its digits is 1741824, while the sum is 48.

The square root of 246749646 is about 15708.2668044568. The cubic root of 246749646 is about 627.2184806194.

The spelling of 246749646 in words is "two hundred forty-six million, seven hundred forty-nine thousand, six hundred forty-six".