4645969 has 4 divisors (see below), whose sum is σ = 4677300. Its totient is φ = 4614640.

The previous prime is 4645967. The next prime is 4645987. The reversal of 4645969 is 9695464.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 286225 + 4359744 = 535^2 + 2088^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645969 - 2¹ = 4645967 is a prime.

It is a super-2 number, since 2×4645969² = 43170055897922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4645961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15442 + ... + 15739.

It is an arithmetic number, because the mean of its divisors is an integer number (1169325).

Almost surely, 2^4645969 is an apocalyptic number.

It is an amenable number.

4645969 is a deficient number, since it is larger than the sum of its proper divisors (31331).

4645969 is a wasteful number, since it uses less digits than its factorization.

4645969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31330.

The product of its digits is 233280, while the sum is 43.

The square root of 4645969 is about 2155.4509968914. The cubic root of 4645969 is about 166.8625088959.

The spelling of 4645969 in words is "four million, six hundred forty-five thousand, nine hundred sixty-nine".