4723949 has 2 divisors, whose sum is σ = 4723950. Its totient is φ = 4723948.

The previous prime is 4723933. The next prime is 4723981. The reversal of 4723949 is 9493274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3553225 + 1170724 = 1885^2 + 1082^2 .

It is a cyclic number.

It is not a de Polignac number, because 4723949 - 2⁴ = 4723933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4723049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2361974 + 2361975.

It is an arithmetic number, because the mean of its divisors is an integer number (2361975).

Almost surely, 2^4723949 is an apocalyptic number.

It is an amenable number.

4723949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4723949 is an equidigital number, since it uses as much as digits as its factorization.

4723949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 4723949 is about 2173.4647455158. The cubic root of 4723949 is about 167.7908986745.

The spelling of 4723949 in words is "four million, seven hundred twenty-three thousand, nine hundred forty-nine".