3702389 has 2 divisors, whose sum is σ = 3702390. Its totient is φ = 3702388.

The previous prime is 3702371. The next prime is 3702409. The reversal of 3702389 is 9832073.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3648100 + 54289 = 1910^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 3702389 - 2²⁰ = 2653813 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3702329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1851194 + 1851195.

It is an arithmetic number, because the mean of its divisors is an integer number (1851195).

Almost surely, 2^3702389 is an apocalyptic number.

It is an amenable number.

3702389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3702389 is an equidigital number, since it uses as much as digits as its factorization.

3702389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3702389 is about 1924.1592969398. The cubic root of 3702389 is about 154.7013186784.

The spelling of 3702389 in words is "three million, seven hundred two thousand, three hundred eighty-nine".