3784531 has 2 divisors, whose sum is σ = 3784532. Its totient is φ = 3784530.

The previous prime is 3784519. The next prime is 3784541. The reversal of 3784531 is 1354873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3784531 - 2⁵ = 3784499 is a prime.

It is a super-2 number, since 2×3784531² = 28645349779922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3784493 and 3784502.

It is not a weakly prime, because it can be changed into another prime (3784541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1892265 + 1892266.

It is an arithmetic number, because the mean of its divisors is an integer number (1892266).

Almost surely, 2^3784531 is an apocalyptic number.

3784531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3784531 is an equidigital number, since it uses as much as digits as its factorization.

3784531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 3784531 is about 1945.3871080070. The cubic root of 3784531 is about 155.8370394485.

The spelling of 3784531 in words is "three million, seven hundred eighty-four thousand, five hundred thirty-one".