3773421 has 12 divisors (see below), whose sum is σ = 5477472. Its totient is φ = 2503176.

The previous prime is 3773417. The next prime is 3773431. The reversal of 3773421 is 1243773.

It is not a de Polignac number, because 3773421 - 2² = 3773417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3773401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1120 + ... + 2966.

It is an arithmetic number, because the mean of its divisors is an integer number (456456).

Almost surely, 2^3773421 is an apocalyptic number.

It is an amenable number.

3773421 is a deficient number, since it is larger than the sum of its proper divisors (1704051).

3773421 is a wasteful number, since it uses less digits than its factorization.

3773421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080 (or 2077 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 3773421 is about 1942.5295364550. The cubic root of 3773421 is about 155.6843964499.

The spelling of 3773421 in words is "three million, seven hundred seventy-three thousand, four hundred twenty-one".