6214655 has 4 divisors (see below), whose sum is σ = 7457592. Its totient is φ = 4971720.

The previous prime is 6214651. The next prime is 6214687. The reversal of 6214655 is 5564126.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5564126 = 2 ⋅2782063.

It is not a de Polignac number, because 6214655 - 2² = 6214651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6214651) 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, 621461 + ... + 621470.

It is an arithmetic number, because the mean of its divisors is an integer number (1864398).

Almost surely, 2^6214655 is an apocalyptic number.

6214655 is a deficient number, since it is larger than the sum of its proper divisors (1242937).

6214655 is a wasteful number, since it uses less digits than its factorization.

6214655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242936.

The product of its digits is 7200, while the sum is 29.

The square root of 6214655 is about 2492.9209774881. The cubic root of 6214655 is about 183.8536860630.

The spelling of 6214655 in words is "six million, two hundred fourteen thousand, six hundred fifty-five".