2940400 has 30 divisors (see below), whose sum is σ = 7065272. Its totient is φ = 1176000.

The previous prime is 2940391. The next prime is 2940401. The reversal of 2940400 is 40492.

It is a nialpdrome in base 12.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3276 + ... + 4075.

2^2940400 is an apocalyptic number.

2940400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2940400 is an abundant number, since it is smaller than the sum of its proper divisors (4124872).

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

2940400 is a wasteful number, since it uses less digits than its factorization.

2940400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7369 (or 7358 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2940400 is about 1714.7594583498. The cubic root of 2940400 is about 143.2634717535.

Adding to 2940400 its reverse (40492), we get a palindrome (2980892).

The spelling of 2940400 in words is "two million, nine hundred forty thousand, four hundred".