4654640 has 40 divisors (see below), whose sum is σ = 10968048. Its totient is φ = 1836800.

The previous prime is 4654631. The next prime is 4654649. The reversal of 4654640 is 464564.

4654640 = T₅₅ + T₅₆ + ... + T₃₀₃.

It is an interprime number because it is at equal distance from previous prime (4654631) and next prime (4654649).

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4654649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6290 + ... + 6990.

Almost surely, 2^4654640 is an apocalyptic number.

4654640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4654640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5484024).

4654640 is an abundant number, since it is smaller than the sum of its proper divisors (6313408).

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

4654640 is a wasteful number, since it uses less digits than its factorization.

4654640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 4654640 is about 2157.4614712666. The cubic root of 4654640 is about 166.9662522792.

The spelling of 4654640 in words is "four million, six hundred fifty-four thousand, six hundred forty".