10407981 has 16 divisors (see below), whose sum is σ = 14364864. Its totient is φ = 6699264.

The previous prime is 10407967. The next prime is 10408007. The reversal of 10407981 is 18970401.

10407981 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10407981 - 2¹³ = 10399789 is a prime.

It is a super-2 number, since 2×10407981² = 216652136992722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10407931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10165 + ... + 11141.

It is an arithmetic number, because the mean of its divisors is an integer number (897804).

Almost surely, 2^10407981 is an apocalyptic number.

It is an amenable number.

10407981 is a deficient number, since it is larger than the sum of its proper divisors (3956883).

10407981 is an equidigital number, since it uses as much as digits as its factorization.

10407981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 10407981 is about 3226.1402635347. The cubic root of 10407981 is about 218.3343982751.

The spelling of 10407981 in words is "ten million, four hundred seven thousand, nine hundred eighty-one".