3554381 has 4 divisors (see below), whose sum is σ = 3587100. Its totient is φ = 3521664.

The previous prime is 3554363. The next prime is 3554399. The reversal of 3554381 is 1834553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1834553 = 7 ⋅262079.

It is an interprime number because it is at equal distance from previous prime (3554363) and next prime (3554399).

It can be written as a sum of positive squares in 2 ways, for example, as 2418025 + 1136356 = 1555^2 + 1066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3554381 is a prime.

It is a super-2 number, since 2×3554381² = 25267248586322, which contains 22 as substring.

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 (3554081) 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, 16196 + ... + 16413.

It is an arithmetic number, because the mean of its divisors is an integer number (896775).

Almost surely, 2^3554381 is an apocalyptic number.

It is an amenable number.

3554381 is a deficient number, since it is larger than the sum of its proper divisors (32719).

3554381 is a wasteful number, since it uses less digits than its factorization.

3554381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32718.

The product of its digits is 7200, while the sum is 29.

The square root of 3554381 is about 1885.3066063641. The cubic root of 3554381 is about 152.6117571919.

The spelling of 3554381 in words is "three million, five hundred fifty-four thousand, three hundred eighty-one".