906542 has 32 divisors (see below), whose sum is σ = 1778112. Its totient is φ = 336384.

The previous prime is 906541. The next prime is 906557. The reversal of 906542 is 245609.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 906542.

It is not an unprimeable number, because it can be changed into a prime (906541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2948 + ... + 3240.

It is an arithmetic number, because the mean of its divisors is an integer number (55566).

2⁹⁰⁶⁵⁴² is an apocalyptic number.

906542 is a deficient number, since it is larger than the sum of its proper divisors (871570).

906542 is a wasteful number, since it uses less digits than its factorization.

906542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 906542 is about 952.1249917947. The cubic root of 906542 is about 96.7823084259.

The spelling of 906542 in words is "nine hundred six thousand, five hundred forty-two".