6945408 has 48 divisors (see below), whose sum is σ = 19989450. Its totient is φ = 2314752.

The previous prime is 6945397. The next prime is 6945437. The reversal of 6945408 is 8045496.

It can be written as a sum of positive squares in only one way, i.e., 4359744 + 2585664 = 2088^2 + 1608^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1863 + ... + 4166.

Almost surely, 2^6945408 is an apocalyptic number.

It is an amenable number.

6945408 is an abundant number, since it is smaller than the sum of its proper divisors (13044042).

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

6945408 is a wasteful number, since it uses less digits than its factorization.

6945408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049 (or 6034 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6945408 is about 2635.4141989448. The cubic root of 6945408 is about 190.7945306503.

The spelling of 6945408 in words is "six million, nine hundred forty-five thousand, four hundred eight".