906742 has 4 divisors (see below), whose sum is σ = 1360116. Its totient is φ = 453370.

The previous prime is 906727. The next prime is 906749. The reversal of 906742 is 247609.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 906742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906749) by changing a digit.

906742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226684 + ... + 226687.

It is an arithmetic number, because the mean of its divisors is an integer number (340029).

2⁹⁰⁶⁷⁴² is an apocalyptic number.

906742 is a deficient number, since it is larger than the sum of its proper divisors (453374).

906742 is a wasteful number, since it uses less digits than its factorization.

906742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453373.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 906742 is about 952.2300142298. The cubic root of 906742 is about 96.7894252273.

The spelling of 906742 in words is "nine hundred six thousand, seven hundred forty-two".