6861434 has 4 divisors (see below), whose sum is σ = 10292154. Its totient is φ = 3430716.

The previous prime is 6861431. The next prime is 6861461. The reversal of 6861434 is 4341686.

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., 6375625 + 485809 = 2525^2 + 697^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6861434.

It is not an unprimeable number, because it can be changed into a prime (6861431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715357 + ... + 1715360.

Almost surely, 2^6861434 is an apocalyptic number.

6861434 is a deficient number, since it is larger than the sum of its proper divisors (3430720).

6861434 is a wasteful number, since it uses less digits than its factorization.

6861434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430719.

The product of its digits is 13824, while the sum is 32.

The square root of 6861434 is about 2619.4339083092. The cubic root of 6861434 is about 190.0224719496.

The spelling of 6861434 in words is "six million, eight hundred sixty-one thousand, four hundred thirty-four".