6920417 has 6 divisors (see below), whose sum is σ = 8050338. Its totient is φ = 5931744.

The previous prime is 6920399. The next prime is 6920423. The reversal of 6920417 is 7140296.

It can be written as a sum of positive squares in only one way, i.e., 4800481 + 2119936 = 2191^2 + 1456^2 .

It is not a de Polignac number, because 6920417 - 2¹⁴ = 6904033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6920417.

It is not an unprimeable number, because it can be changed into a prime (6920477) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 70568 + ... + 70665.

It is an arithmetic number, because the mean of its divisors is an integer number (1341723).

Almost surely, 2^6920417 is an apocalyptic number.

It is an amenable number.

6920417 is a deficient number, since it is larger than the sum of its proper divisors (1129921).

6920417 is a wasteful number, since it uses less digits than its factorization.

6920417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141247 (or 141240 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 6920417 is about 2630.6685462065. The cubic root of 6920417 is about 190.5654163685.

It can be divided in two parts, 6920 and 417, that added together give a palindrome (7337).

The spelling of 6920417 in words is "six million, nine hundred twenty thousand, four hundred seventeen".