3402655 has 4 divisors (see below), whose sum is σ = 4083192. Its totient is φ = 2722120.

The previous prime is 3402649. The next prime is 3402671. The reversal of 3402655 is 5562043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5562043 = 17 ⋅327179.

It is not a de Polignac number, because 3402655 - 2³ = 3402647 is a prime.

It is a super-2 number, since 2×3402655² = 23156122098050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340261 + ... + 340270.

It is an arithmetic number, because the mean of its divisors is an integer number (1020798).

Almost surely, 2^3402655 is an apocalyptic number.

3402655 is a deficient number, since it is larger than the sum of its proper divisors (680537).

3402655 is an equidigital number, since it uses as much as digits as its factorization.

3402655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680536.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3402655 is about 1844.6286889236. The cubic root of 3402655 is about 150.4085897227.

Adding to 3402655 its reverse (5562043), we get a palindrome (8964698).

The spelling of 3402655 in words is "three million, four hundred two thousand, six hundred fifty-five".