901506 has 16 divisors (see below), whose sum is σ = 1812384. Its totient is φ = 298944.

The previous prime is 901501. The next prime is 901513. The reversal of 901506 is 605109.

It is not an unprimeable number, because it can be changed into a prime (901501) by changing a digit.

901506 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 in 7 ways as a sum of consecutive naturals, for example, 1866 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (113274).

2⁹⁰¹⁵⁰⁶ is an apocalyptic number.

901506 is an abundant number, since it is smaller than the sum of its proper divisors (910878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

901506 is a wasteful number, since it uses less digits than its factorization.

901506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 901506 is about 949.4766979763. The cubic root of 901506 is about 96.6027613029.

It can be divided in two parts, 90 and 1506, that added together give a triangular number (1596 = T₅₆).

The spelling of 901506 in words is "nine hundred one thousand, five hundred six".