106390436 has 6 divisors (see below), whose sum is σ = 186183270. Its totient is φ = 53195216.

The previous prime is 106390411. The next prime is 106390457. The reversal of 106390436 is 634093601.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 102414400 + 3976036 = 10120^2 + 1994^2 .

It is a super-2 number, since 2×106390436² = 22637849744540192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13298801 + ... + 13298808.

It is an arithmetic number, because the mean of its divisors is an integer number (31030545).

Almost surely, 2^106390436 is an apocalyptic number.

It is an amenable number.

106390436 is a deficient number, since it is larger than the sum of its proper divisors (79792834).

106390436 is a wasteful number, since it uses less digits than its factorization.

106390436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26597613 (or 26597611 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 106390436 is about 10314.5739611484. The cubic root of 106390436 is about 473.8427021131.

The spelling of 106390436 in words is "one hundred six million, three hundred ninety thousand, four hundred thirty-six".