6140426 has 4 divisors (see below), whose sum is σ = 9210642. Its totient is φ = 3070212.

The previous prime is 6140419. The next prime is 6140429. The reversal of 6140426 is 6240416.

It is a happy number.

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., 5040025 + 1100401 = 2245^2 + 1049^2 .

It is a super-2 number, since 2×6140426² = 75409662922952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6140429) 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 as a sum of consecutive naturals, namely, 1535105 + ... + 1535108.

Almost surely, 2^6140426 is an apocalyptic number.

6140426 is a deficient number, since it is larger than the sum of its proper divisors (3070216).

6140426 is a wasteful number, since it uses less digits than its factorization.

6140426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070215.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 6140426 is about 2477.9882969861. The cubic root of 6140426 is about 183.1187579556.

The spelling of 6140426 in words is "six million, one hundred forty thousand, four hundred twenty-six".