5349645 has 96 divisors (see below), whose sum is σ = 11950848. Its totient is φ = 2239488.

The previous prime is 5349629. The next prime is 5349649. The reversal of 5349645 is 5469435.

It is a happy number.

5349645 is a `hidden beast` number, since 5 + 3 + 4 + 9 + 645 = 666.

It is not a de Polignac number, because 5349645 - 2⁴ = 5349629 is a prime.

It is a super-3 number, since 3×5349645³ (a number of 21 digits) contains 333 as substring.

Its product of digits (64800) is a multiple of the sum of its prime factors (81).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5349649) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 144567 + ... + 144603.

It is an arithmetic number, because the mean of its divisors is an integer number (124488).

Almost surely, 2^5349645 is an apocalyptic number.

It is an amenable number.

5349645 is an abundant number, since it is smaller than the sum of its proper divisors (6601203).

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

5349645 is a wasteful number, since it uses less digits than its factorization.

5349645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 69 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 5349645 is about 2312.9299600291. The cubic root of 5349645 is about 174.8940310830.

The spelling of 5349645 in words is "five million, three hundred forty-nine thousand, six hundred forty-five".