3574639 has 2 divisors, whose sum is σ = 3574640. Its totient is φ = 3574638.

The previous prime is 3574631. The next prime is 3574643. The reversal of 3574639 is 9364753.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3574639 - 2³ = 3574631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3574598 and 3574607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3574631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1787319 + 1787320.

It is an arithmetic number, because the mean of its divisors is an integer number (1787320).

Almost surely, 2^3574639 is an apocalyptic number.

3574639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3574639 is an equidigital number, since it uses as much as digits as its factorization.

3574639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 37.

The square root of 3574639 is about 1890.6715738065. The cubic root of 3574639 is about 152.9011422277.

The spelling of 3574639 in words is "three million, five hundred seventy-four thousand, six hundred thirty-nine".