4649040 has 120 divisors (see below), whose sum is σ = 17061408. Its totient is φ = 1125120.

The previous prime is 4649033. The next prime is 4649069. The reversal of 4649040 is 409464.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×4649040² = 43227145843200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4648995 and 4649013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7627 + ... + 8213.

Almost surely, 2^4649040 is an apocalyptic number.

4649040 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 4649040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8530704).

4649040 is an abundant number, since it is smaller than the sum of its proper divisors (12412368).

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

4649040 is a wasteful number, since it uses less digits than its factorization.

4649040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4649040 is about 2156.1632591249. The cubic root of 4649040 is about 166.8992663444.

The spelling of 4649040 in words is "four million, six hundred forty-nine thousand, forty".