3524421 has 8 divisors (see below), whose sum is σ = 4850944. Its totient is φ = 2273760.

The previous prime is 3524413. The next prime is 3524431. The reversal of 3524421 is 1244253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3524421 - 2³ = 3524413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3524431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18856 + ... + 19041.

It is an arithmetic number, because the mean of its divisors is an integer number (606368).

Almost surely, 2^3524421 is an apocalyptic number.

3524421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3524421 is a deficient number, since it is larger than the sum of its proper divisors (1326523).

3524421 is a wasteful number, since it uses less digits than its factorization.

3524421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37931.

The product of its digits is 960, while the sum is 21.

The square root of 3524421 is about 1877.3441346754. The cubic root of 3524421 is about 152.1817568356.

Adding to 3524421 its reverse (1244253), we get a palindrome (4768674).

The spelling of 3524421 in words is "three million, five hundred twenty-four thousand, four hundred twenty-one".