6181634 has 4 divisors (see below), whose sum is σ = 9272454. Its totient is φ = 3090816.

The previous prime is 6181633. The next prime is 6181639. The reversal of 6181634 is 4361816.

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., 5175625 + 1006009 = 2275^2 + 1003^2 .

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 6181597 and 6181606.

It is not an unprimeable number, because it can be changed into a prime (6181633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1545407 + ... + 1545410.

Almost surely, 2^6181634 is an apocalyptic number.

6181634 is a deficient number, since it is larger than the sum of its proper divisors (3090820).

6181634 is a wasteful number, since it uses less digits than its factorization.

6181634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090819.

The product of its digits is 3456, while the sum is 29.

The square root of 6181634 is about 2486.2892028081. The cubic root of 6181634 is about 183.5274777137.

The spelling of 6181634 in words is "six million, one hundred eighty-one thousand, six hundred thirty-four".