3732409 has 2 divisors, whose sum is σ = 3732410. Its totient is φ = 3732408.

The previous prime is 3732397. The next prime is 3732433. The reversal of 3732409 is 9042373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2732409 + 1000000 = 1653^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 3732409 - 2¹⁷ = 3601337 is a prime.

3732409 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3732439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1866204 + 1866205.

It is an arithmetic number, because the mean of its divisors is an integer number (1866205).

Almost surely, 2^3732409 is an apocalyptic number.

It is an amenable number.

3732409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3732409 is an equidigital number, since it uses as much as digits as its factorization.

3732409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 3732409 is about 1931.9443573768. The cubic root of 3732409 is about 155.1183141057.

The spelling of 3732409 in words is "three million, seven hundred thirty-two thousand, four hundred nine".