6140464 has 40 divisors (see below), whose sum is σ = 13124160. Its totient is φ = 2760000.

The previous prime is 6140461. The next prime is 6140467. The reversal of 6140464 is 4640416.

It is an interprime number because it is at equal distance from previous prime (6140461) and next prime (6140467).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6140461) 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 in 7 ways as a sum of consecutive naturals, for example, 24339 + ... + 24589.

It is an arithmetic number, because the mean of its divisors is an integer number (328104).

Almost surely, 2^6140464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6140464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6562080).

6140464 is an abundant number, since it is smaller than the sum of its proper divisors (6983696).

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

6140464 is a wasteful number, since it uses less digits than its factorization.

6140464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 6140464 is about 2477.9959644842. The cubic root of 6140464 is about 183.1191356981.

The spelling of 6140464 in words is "six million, one hundred forty thousand, four hundred sixty-four".