906436 has 6 divisors (see below), whose sum is σ = 1586270. Its totient is φ = 453216.

The previous prime is 906431. The next prime is 906461. The reversal of 906436 is 634609.

906436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 476100 + 430336 = 690^2 + 656^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113301 + ... + 113308.

2⁹⁰⁶⁴³⁶ is an apocalyptic number.

It is an amenable number.

906436 is a deficient number, since it is larger than the sum of its proper divisors (679834).

906436 is a wasteful number, since it uses less digits than its factorization.

906436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226613 (or 226611 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 906436 is about 952.0693252069. The cubic root of 906436 is about 96.7785360967.

The spelling of 906436 in words is "nine hundred six thousand, four hundred thirty-six".