3400985 has 8 divisors (see below), whose sum is σ = 4664256. Its totient is φ = 2332080.

The previous prime is 3400963. The next prime is 3400993. The reversal of 3400985 is 5890043.

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

It is not a de Polignac number, because 3400985 - 2¹⁰ = 3399961 is a prime.

It is a Duffinian 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, 48551 + ... + 48620.

It is an arithmetic number, because the mean of its divisors is an integer number (583032).

Almost surely, 2^3400985 is an apocalyptic number.

3400985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3400985 is a deficient number, since it is larger than the sum of its proper divisors (1263271).

3400985 is an equidigital number, since it uses as much as digits as its factorization.

3400985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97183.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3400985 is about 1844.1759677428. The cubic root of 3400985 is about 150.3839791908.

The spelling of 3400985 in words is "three million, four hundred thousand, nine hundred eighty-five".