3524391 has 20 divisors (see below), whose sum is σ = 5671512. Its totient is φ = 2168208.

The previous prime is 3524387. The next prime is 3524393. The reversal of 3524391 is 1934253.

It is not a de Polignac number, because 3524391 - 2² = 3524387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3524393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 621 + ... + 2726.

Almost surely, 2^3524391 is an apocalyptic number.

3524391 is a deficient number, since it is larger than the sum of its proper divisors (2147121).

3524391 is a wasteful number, since it uses less digits than its factorization.

3524391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372 (or 3363 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 3524391 is about 1877.3361446475. The cubic root of 3524391 is about 152.1813250421.

The spelling of 3524391 in words is "three million, five hundred twenty-four thousand, three hundred ninety-one".