2049400 has 24 divisors (see below), whose sum is σ = 4765320. Its totient is φ = 819680.

The previous prime is 2049361. The next prime is 2049407. The reversal of 2049400 is 49402.

2049400 = T₃₁ + T₃₂ + ... + T₂₃₀.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4924 + ... + 5323.

It is an arithmetic number, because the mean of its divisors is an integer number (198555).

2^2049400 is an apocalyptic number.

2049400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2049400 is an abundant number, since it is smaller than the sum of its proper divisors (2715920).

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

2049400 is a wasteful number, since it uses less digits than its factorization.

2049400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10263 (or 10254 counting only the distinct ones).

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

The square root of 2049400 is about 1431.5725619053. The cubic root of 2049400 is about 127.0210145646.

It can be divided in two parts, 204 and 9400, that added together give a square (9604 = 98²).

The spelling of 2049400 in words is "two million, forty-nine thousand, four hundred".