4624649 has 2 divisors, whose sum is σ = 4624650. Its totient is φ = 4624648.

The previous prime is 4624643. The next prime is 4624661. The reversal of 4624649 is 9464264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3087049 + 1537600 = 1757^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 4624649 - 2⁸ = 4624393 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (4624643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2312324 + 2312325.

It is an arithmetic number, because the mean of its divisors is an integer number (2312325).

Almost surely, 2^4624649 is an apocalyptic number.

It is an amenable number.

4624649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4624649 is an equidigital number, since it uses as much as digits as its factorization.

4624649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 4624649 is about 2150.4997093699. The cubic root of 4624649 is about 166.6068776653.

The spelling of 4624649 in words is "four million, six hundred twenty-four thousand, six hundred forty-nine".