106043904 has 100 divisors (see below), whose sum is σ = 316636914. Its totient is φ = 35334144.

The previous prime is 106043867. The next prime is 106043929. The reversal of 106043904 is 409340601.

It can be written as a sum of positive squares in only one way, i.e., 93083904 + 12960000 = 9648^2 + 3600^2 .

It is a super-2 number, since 2×106043904² = 22490619151122432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40194 + ... + 42750.

Almost surely, 2^106043904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106043904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158318457).

106043904 is an abundant number, since it is smaller than the sum of its proper divisors (210593010).

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

106043904 is an frugal number, since it uses more digits than its factorization.

106043904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 106043904 is about 10297.7620869779. The cubic root of 106043904 is about 473.3276800665.

The spelling of 106043904 in words is "one hundred six million, forty-three thousand, nine hundred four".