106215804 has 36 divisors (see below), whose sum is σ = 271514880. Its totient is φ = 35006400.

The previous prime is 106215793. The next prime is 106215821. The reversal of 106215804 is 408512601.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×106215804² = 22563594038732832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13372 + ... + 19779.

It is an arithmetic number, because the mean of its divisors is an integer number (7542080).

Almost surely, 2^106215804 is an apocalyptic number.

It is an amenable number.

106215804 is an abundant number, since it is smaller than the sum of its proper divisors (165299076).

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

106215804 is a wasteful number, since it uses less digits than its factorization.

106215804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33250 (or 33245 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 106215804 is about 10306.1051809110. The cubic root of 106215804 is about 473.5833009296.

The spelling of 106215804 in words is "one hundred six million, two hundred fifteen thousand, eight hundred four".