981264446 has 32 divisors (see below), whose sum is σ = 1604282112. Its totient is φ = 448398720.

The previous prime is 981264437. The next prime is 981264461. The reversal of 981264446 is 644462189.

It is a junction number, because it is equal to n+sod(n) for n = 981264397 and 981264406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158705 + ... + 164771.

It is an arithmetic number, because the mean of its divisors is an integer number (50133816).

Almost surely, 2^981264446 is an apocalyptic number.

981264446 is a deficient number, since it is larger than the sum of its proper divisors (623017666).

981264446 is a wasteful number, since it uses less digits than its factorization.

981264446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6224.

The product of its digits is 331776, while the sum is 44.

The square root of 981264446 is about 31325.1407977682. The cubic root of 981264446 is about 993.7154018992.

The spelling of 981264446 in words is "nine hundred eighty-one million, two hundred sixty-four thousand, four hundred forty-six".