6434437 has 4 divisors (see below), whose sum is σ = 6440896. Its totient is φ = 6427980.

The previous prime is 6434431. The next prime is 6434443. The reversal of 6434437 is 7344346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (6434431) and next prime (6434443).

It is a cyclic number.

It is not a de Polignac number, because 6434437 - 2³ = 6434429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6434399 and 6434408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6434431) 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, 1383 + ... + 3844.

It is an arithmetic number, because the mean of its divisors is an integer number (1610224).

Almost surely, 2^6434437 is an apocalyptic number.

It is an amenable number.

6434437 is a deficient number, since it is larger than the sum of its proper divisors (6459).

6434437 is a wasteful number, since it uses less digits than its factorization.

6434437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458.

The product of its digits is 24192, while the sum is 31.

The square root of 6434437 is about 2536.6192067396. The cubic root of 6434437 is about 185.9959628368.

Subtracting 6434437 from its reverse (7344346), we obtain a palindrome (909909).

The spelling of 6434437 in words is "six million, four hundred thirty-four thousand, four hundred thirty-seven".