2649480 has 32 divisors (see below), whose sum is σ = 7948800. Its totient is φ = 706496.

The previous prime is 2649473. The next prime is 2649481. The reversal of 2649480 is 849462.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649481) 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, 10920 + ... + 11159.

It is an arithmetic number, because the mean of its divisors is an integer number (248400).

2^2649480 is an apocalyptic number.

2649480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2649480 is an abundant number, since it is smaller than the sum of its proper divisors (5299320).

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

2649480 is a wasteful number, since it uses less digits than its factorization.

2649480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22093 (or 22089 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2649480 is about 1627.7223350437. The cubic root of 2649480 is about 138.3736983220.

The spelling of 2649480 in words is "two million, six hundred forty-nine thousand, four hundred eighty".