906739 has 4 divisors (see below), whose sum is σ = 908656. Its totient is φ = 904824.

The previous prime is 906727. The next prime is 906749. The reversal of 906739 is 937609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 937609 = 103 ⋅9103.

It is a cyclic number.

It is not a de Polignac number, because 906739 - 2⁵ = 906707 is a prime.

It is a super-2 number, since 2×906739² = 1644351228242, which contains 22 as substring.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322 + ... + 1384.

It is an arithmetic number, because the mean of its divisors is an integer number (227164).

2⁹⁰⁶⁷³⁹ is an apocalyptic number.

906739 is a deficient number, since it is larger than the sum of its proper divisors (1917).

906739 is a wasteful number, since it uses less digits than its factorization.

906739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 906739 is about 952.2284389788. The cubic root of 906739 is about 96.7893184831.

The spelling of 906739 in words is "nine hundred six thousand, seven hundred thirty-nine".