3902369 has 2 divisors, whose sum is σ = 3902370. Its totient is φ = 3902368.

The previous prime is 3902351. The next prime is 3902377. The reversal of 3902369 is 9632093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2521744 + 1380625 = 1588^2 + 1175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3902369 is a prime.

It is a super-2 number, since 2×3902369² = 30456967624322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3902399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951184 + 1951185.

It is an arithmetic number, because the mean of its divisors is an integer number (1951185).

Almost surely, 2^3902369 is an apocalyptic number.

It is an amenable number.

3902369 is a deficient number, since it is larger than the sum of its proper divisors (1).

3902369 is an equidigital number, since it uses as much as digits as its factorization.

3902369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 3902369 is about 1975.4414696467. The cubic root of 3902369 is about 157.4379565822.

The spelling of 3902369 in words is "three million, nine hundred two thousand, three hundred sixty-nine".