3754421 has 4 divisors (see below), whose sum is σ = 4095744. Its totient is φ = 3413100.

The previous prime is 3754403. The next prime is 3754423. The reversal of 3754421 is 1244573.

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: 1244573 = 11 ⋅113143.

It is a cyclic number.

It is not a de Polignac number, because 3754421 - 2⁶ = 3754357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3754423) 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, 170645 + ... + 170666.

It is an arithmetic number, because the mean of its divisors is an integer number (1023936).

Almost surely, 2^3754421 is an apocalyptic number.

It is an amenable number.

3754421 is a deficient number, since it is larger than the sum of its proper divisors (341323).

3754421 is a wasteful number, since it uses less digits than its factorization.

3754421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341322.

The product of its digits is 3360, while the sum is 26.

The square root of 3754421 is about 1937.6328341562. The cubic root of 3754421 is about 155.4226549869.

Adding to 3754421 its reverse (1244573), we get a palindrome (4998994).

The spelling of 3754421 in words is "three million, seven hundred fifty-four thousand, four hundred twenty-one".