2930040 has 64 divisors (see below), whose sum is σ = 9770400. Its totient is φ = 781056.

The previous prime is 2930033. The next prime is 2930071. The reversal of 2930040 is 400392.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2929995 and 2930022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277 + ... + 2436.

2^2930040 is an apocalyptic number.

2930040 is a gapful number since it is divisible by the number (20) 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 2930040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4885200).

2930040 is an abundant number, since it is smaller than the sum of its proper divisors (6840360).

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

2930040 is a wasteful number, since it uses less digits than its factorization.

2930040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2723 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2930040 is about 1711.7359609472. The cubic root of 2930040 is about 143.0950189231.

The spelling of 2930040 in words is "two million, nine hundred thirty thousand, forty".