5400665 has 8 divisors (see below), whose sum is σ = 6690048. Its totient is φ = 4181040.

The previous prime is 5400649. The next prime is 5400673. The reversal of 5400665 is 5660045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5400665 - 2⁴ = 5400649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17267 + ... + 17576.

It is an arithmetic number, because the mean of its divisors is an integer number (836256).

Almost surely, 2^5400665 is an apocalyptic number.

It is an amenable number.

5400665 is a deficient number, since it is larger than the sum of its proper divisors (1289383).

5400665 is a wasteful number, since it uses less digits than its factorization.

5400665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34879.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5400665 is about 2323.9330885376. The cubic root of 5400665 is about 175.4482657446.

The spelling of 5400665 in words is "five million, four hundred thousand, six hundred sixty-five".