1309485 has 8 divisors (see below), whose sum is σ = 2095200. Its totient is φ = 698384.

The previous prime is 1309463. The next prime is 1309501. The reversal of 1309485 is 5849031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1309485 - 2⁶ = 1309421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43635 + ... + 43664.

It is an arithmetic number, because the mean of its divisors is an integer number (261900).

2^1309485 is an apocalyptic number.

1309485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1309485 is a deficient number, since it is larger than the sum of its proper divisors (785715).

1309485 is an equidigital number, since it uses as much as digits as its factorization.

1309485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87307.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1309485 is about 1144.3273133156. The cubic root of 1309485 is about 109.4040777111.

The spelling of 1309485 in words is "one million, three hundred nine thousand, four hundred eighty-five".