3534421 has 4 divisors (see below), whose sum is σ = 3855744. Its totient is φ = 3213100.

The previous prime is 3534413. The next prime is 3534431. The reversal of 3534421 is 1244353.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1244353 = 11 ⋅113123.

It is not a de Polignac number, because 3534421 - 2³ = 3534413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3534392 and 3534401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3534431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160645 + ... + 160666.

It is an arithmetic number, because the mean of its divisors is an integer number (963936).

Almost surely, 2^3534421 is an apocalyptic number.

It is an amenable number.

3534421 is a deficient number, since it is larger than the sum of its proper divisors (321323).

3534421 is a wasteful number, since it uses less digits than its factorization.

3534421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321322.

The product of its digits is 1440, while the sum is 22.

The square root of 3534421 is about 1880.0055850981. The cubic root of 3534421 is about 152.3255516627.

Adding to 3534421 its reverse (1244353), we get a palindrome (4778774).

It can be divided in two parts, 353 and 4421, that added together give a palindrome (4774).

The spelling of 3534421 in words is "three million, five hundred thirty-four thousand, four hundred twenty-one".