6429146 has 4 divisors (see below), whose sum is σ = 9643722. Its totient is φ = 3214572.

The previous prime is 6429139. The next prime is 6429149. The reversal of 6429146 is 6419246.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6419246 = 2 ⋅3209623.

It can be written as a sum of positive squares in only one way, i.e., 5812921 + 616225 = 2411^2 + 785^2 .

It is not an unprimeable number, because it can be changed into a prime (6429149) 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, 1607285 + ... + 1607288.

Almost surely, 2^6429146 is an apocalyptic number.

6429146 is a deficient number, since it is larger than the sum of its proper divisors (3214576).

6429146 is a wasteful number, since it uses less digits than its factorization.

6429146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214575.

The product of its digits is 10368, while the sum is 32.

The square root of 6429146 is about 2535.5760686676. The cubic root of 6429146 is about 185.9449677249.

The spelling of 6429146 in words is "six million, four hundred twenty-nine thousand, one hundred forty-six".