1655455 has 8 divisors (see below), whose sum is σ = 2024352. Its totient is φ = 1299168.

The previous prime is 1655449. The next prime is 1655461. The reversal of 1655455 is 5545561.

It is an interprime number because it is at equal distance from previous prime (1655449) and next prime (1655461).

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 1655455 - 2⁷ = 1655327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2859 + ... + 3388.

It is an arithmetic number, because the mean of its divisors is an integer number (253044).

2^1655455 is an apocalyptic number.

1655455 is a deficient number, since it is larger than the sum of its proper divisors (368897).

1655455 is an equidigital number, since it uses as much as digits as its factorization.

1655455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305.

The product of its digits is 15000, while the sum is 31.

The square root of 1655455 is about 1286.6448616460. The cubic root of 1655455 is about 118.2966537554.

The spelling of 1655455 in words is "one million, six hundred fifty-five thousand, four hundred fifty-five".