2945408 has 16 divisors (see below), whose sum is σ = 5868060. Its totient is φ = 1472640.

The previous prime is 2945407. The next prime is 2945417. The reversal of 2945408 is 8045492.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

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 as a sum of consecutive naturals, namely, 11378 + ... + 11633.

2^2945408 is an apocalyptic number.

It is an amenable number.

2945408 is a deficient number, since it is larger than the sum of its proper divisors (2922652).

2945408 is an equidigital number, since it uses as much as digits as its factorization.

2945408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23025 (or 23013 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2945408 is about 1716.2191002317. The cubic root of 2945408 is about 143.3447596203.

The spelling of 2945408 in words is "two million, nine hundred forty-five thousand, four hundred eight".