3457885 has 12 divisors (see below), whose sum is σ = 4409748. Its totient is φ = 2602496.

The previous prime is 3457871. The next prime is 3457897. The reversal of 3457885 is 5887543.

It can be written as a sum of positive squares in 6 ways, for example, as 31684 + 3426201 = 178^2 + 1851^2 .

It is not a de Polignac number, because 3457885 - 2¹⁵ = 3425117 is a prime.

It is a Duffinian number.

3457885 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249 + ... + 2641.

It is an arithmetic number, because the mean of its divisors is an integer number (367479).

Almost surely, 2^3457885 is an apocalyptic number.

It is an amenable number.

3457885 is a deficient number, since it is larger than the sum of its proper divisors (951863).

3457885 is a wasteful number, since it uses less digits than its factorization.

3457885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432 (or 2415 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 3457885 is about 1859.5389213458. The cubic root of 3457885 is about 151.2180088522.

The spelling of 3457885 in words is "three million, four hundred fifty-seven thousand, eight hundred eighty-five".