3454985 has 4 divisors (see below), whose sum is σ = 4145988. Its totient is φ = 2763984.

The previous prime is 3454967. The next prime is 3454987. The reversal of 3454985 is 5894543.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 3041536 = 643^2 + 1744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3454985 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3454987) 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, 345494 + ... + 345503.

It is an arithmetic number, because the mean of its divisors is an integer number (1036497).

Almost surely, 2^3454985 is an apocalyptic number.

It is an amenable number.

3454985 is a deficient number, since it is larger than the sum of its proper divisors (691003).

3454985 is an equidigital number, since it uses as much as digits as its factorization.

3454985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691002.

The product of its digits is 86400, while the sum is 38.

The square root of 3454985 is about 1858.7589945983. The cubic root of 3454985 is about 151.1757233823.

The spelling of 3454985 in words is "three million, four hundred fifty-four thousand, nine hundred eighty-five".