981481401 has 32 divisors (see below), whose sum is σ = 1513105920. Its totient is φ = 628273152.

The previous prime is 981481393. The next prime is 981481429. The reversal of 981481401 is 104184189.

981481401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 981481401 - 2³ = 981481393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (981481441) 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, 59961 + ... + 74553.

It is an arithmetic number, because the mean of its divisors is an integer number (47284560).

Almost surely, 2^981481401 is an apocalyptic number.

It is an amenable number.

981481401 is a deficient number, since it is larger than the sum of its proper divisors (531624519).

981481401 is a wasteful number, since it uses less digits than its factorization.

981481401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14702 (or 14696 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 981481401 is about 31328.6035596865. The cubic root of 981481401 is about 993.7886324604.

The spelling of 981481401 in words is "nine hundred eighty-one million, four hundred eighty-one thousand, four hundred one".