106490426 has 12 divisors (see below), whose sum is σ = 185815098. Its totient is φ = 45638712.

The previous prime is 106490401. The next prime is 106490471. The reversal of 106490426 is 624094601.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78411025 + 28079401 = 8855^2 + 5299^2 .

It is a super-2 number, since 2×106490426² = 22680421659322952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106490392 and 106490401.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 543221 + ... + 543416.

Almost surely, 2^106490426 is an apocalyptic number.

106490426 is a deficient number, since it is larger than the sum of its proper divisors (79324672).

106490426 is a wasteful number, since it uses less digits than its factorization.

106490426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086653 (or 1086646 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 106490426 is about 10319.4198480341. The cubic root of 106490426 is about 473.9911010928.

The spelling of 106490426 in words is "one hundred six million, four hundred ninety thousand, four hundred twenty-six".