561748946 has 32 divisors (see below), whose sum is σ = 971827200. Its totient is φ = 240846480.

The previous prime is 561748933. The next prime is 561748951. The reversal of 561748946 is 649847165.

It is a super-2 number, since 2×561748946² = 631123756664221832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 561748894 and 561748903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97091 + ... + 102713.

It is an arithmetic number, because the mean of its divisors is an integer number (30369600).

Almost surely, 2^561748946 is an apocalyptic number.

561748946 is a deficient number, since it is larger than the sum of its proper divisors (410078254).

561748946 is a wasteful number, since it uses less digits than its factorization.

561748946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894.

The product of its digits is 1451520, while the sum is 50.

The square root of 561748946 is about 23701.2435538729. The cubic root of 561748946 is about 825.1142521902.

The spelling of 561748946 in words is "five hundred sixty-one million, seven hundred forty-eight thousand, nine hundred forty-six".