60640446 has 8 divisors (see below), whose sum is σ = 121280904. Its totient is φ = 20213480.

The previous prime is 60640441. The next prime is 60640451. The reversal of 60640446 is 64404606.

It is an interprime number because it is at equal distance from previous prime (60640441) and next prime (60640451).

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

60640446 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60640441) 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, 5053365 + ... + 5053376.

It is an arithmetic number, because the mean of its divisors is an integer number (15160113).

Almost surely, 2^60640446 is an apocalyptic number.

60640446 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.

60640446 is a wasteful number, since it uses less digits than its factorization.

60640446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10106746.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 60640446 is about 7787.1975703715. The cubic root of 60640446 is about 392.8747601891.

The spelling of 60640446 in words is "sixty million, six hundred forty thousand, four hundred forty-six".