106440404 has 12 divisors (see below), whose sum is σ = 212880864. Its totient is φ = 45617304.

The previous prime is 106440403. The next prime is 106440409. The reversal of 106440404 is 404044601.

106440404 is an admirable number.

It is a super-2 number, since 2×106440404² = 22659119207366432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106440404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106440401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1900694 + ... + 1900749.

It is an arithmetic number, because the mean of its divisors is an integer number (17740072).

Almost surely, 2^106440404 is an apocalyptic number.

106440404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

106440404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

106440404 is a wasteful number, since it uses less digits than its factorization.

106440404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801454 (or 3801452 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 106440404 is about 10316.9958805846. The cubic root of 106440404 is about 473.9168731484.

The spelling of 106440404 in words is "one hundred six million, four hundred forty thousand, four hundred four".