6427958 has 4 divisors (see below), whose sum is σ = 9641940. Its totient is φ = 3213978.

The previous prime is 6427957. The next prime is 6427963. The reversal of 6427958 is 8597246.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×6427958⁴ (a number of 28 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6427951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606988 + ... + 1606991.

It is an arithmetic number, because the mean of its divisors is an integer number (2410485).

Almost surely, 2^6427958 is an apocalyptic number.

6427958 is a deficient number, since it is larger than the sum of its proper divisors (3213982).

6427958 is a wasteful number, since it uses less digits than its factorization.

6427958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213981.

The product of its digits is 120960, while the sum is 41.

The square root of 6427958 is about 2535.3417915540. The cubic root of 6427958 is about 185.9335138331.

The spelling of 6427958 in words is "six million, four hundred twenty-seven thousand, nine hundred fifty-eight".