2945400 has 48 divisors (see below), whose sum is σ = 9132600. Its totient is φ = 785280.

The previous prime is 2945381. The next prime is 2945401. The reversal of 2945400 is 45492.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1855 + ... + 3054.

2^2945400 is an apocalyptic number.

2945400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2945400 is an abundant number, since it is smaller than the sum of its proper divisors (6187200).

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

2945400 is a wasteful number, since it uses less digits than its factorization.

2945400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928 (or 4919 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2945400 is about 1716.2167695253. The cubic root of 2945400 is about 143.3446298410.

It can be divided in two parts, 294 and 5400, that multiplied together give a square (1587600 = 1260²).

The spelling of 2945400 in words is "two million, nine hundred forty-five thousand, four hundred".