6416842 has 4 divisors (see below), whose sum is σ = 9625266. Its totient is φ = 3208420.

The previous prime is 6416831. The next prime is 6416843. The reversal of 6416842 is 2486146.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5022081 + 1394761 = 2241^2 + 1181^2 .

It is a super-2 number, since 2×6416842² = 82351722505928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6416843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1604209 + ... + 1604212.

Almost surely, 2^6416842 is an apocalyptic number.

6416842 is a deficient number, since it is larger than the sum of its proper divisors (3208424).

6416842 is a wasteful number, since it uses less digits than its factorization.

6416842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208423.

The product of its digits is 9216, while the sum is 31.

The square root of 6416842 is about 2533.1486336179. The cubic root of 6416842 is about 185.8262724409.

It can be divided in two parts, 6 and 416842, that multiplied together give a palindrome (2501052).

The spelling of 6416842 in words is "six million, four hundred sixteen thousand, eight hundred forty-two".