6140478 has 8 divisors (see below), whose sum is σ = 12280968. Its totient is φ = 2046824.

The previous prime is 6140473. The next prime is 6140521. The reversal of 6140478 is 8740416.

It is a sphenic number, since it is the product of 3 distinct primes.

6140478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6140473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511701 + ... + 511712.

It is an arithmetic number, because the mean of its divisors is an integer number (1535121).

Almost surely, 2^6140478 is an apocalyptic number.

6140478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6140478 is a wasteful number, since it uses less digits than its factorization.

6140478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023418.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 6140478 is about 2477.9987893460. The cubic root of 6140478 is about 183.1192748660.

The spelling of 6140478 in words is "six million, one hundred forty thousand, four hundred seventy-eight".