3907249 has 2 divisors, whose sum is σ = 3907250. Its totient is φ = 3907248.

The previous prime is 3907231. The next prime is 3907283. The reversal of 3907249 is 9427093.

It is an a-pointer prime, because the next prime (3907283) can be obtained adding 3907249 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3873024 + 34225 = 1968^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 3907249 - 2⁷ = 3907121 is a prime.

3907249 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3907219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1953624 + 1953625.

It is an arithmetic number, because the mean of its divisors is an integer number (1953625).

Almost surely, 2^3907249 is an apocalyptic number.

It is an amenable number.

3907249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3907249 is an equidigital number, since it uses as much as digits as its factorization.

3907249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 3907249 is about 1976.6762506794. The cubic root of 3907249 is about 157.5035558112.

The spelling of 3907249 in words is "three million, nine hundred seven thousand, two hundred forty-nine".