3427481 has 4 divisors (see below), whose sum is σ = 3545700. Its totient is φ = 3309264.

The previous prime is 3427469. The next prime is 3427507. The reversal of 3427481 is 1847243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2689600 + 737881 = 1640^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 3427481 - 2¹⁴ = 3411097 is a prime.

It is a super-2 number, since 2×3427481² = 23495252010722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 118189 = 3427481 / (3 + 4 + 2 + 7 + 4 + 8 + 1).

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 (3427441) 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, 59066 + ... + 59123.

It is an arithmetic number, because the mean of its divisors is an integer number (886425).

Almost surely, 2^3427481 is an apocalyptic number.

It is an amenable number.

3427481 is a deficient number, since it is larger than the sum of its proper divisors (118219).

3427481 is a wasteful number, since it uses less digits than its factorization.

3427481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118218.

The product of its digits is 5376, while the sum is 29.

The square root of 3427481 is about 1851.3457267620. The cubic root of 3427481 is about 150.7735007508.

The spelling of 3427481 in words is "three million, four hundred twenty-seven thousand, four hundred eighty-one".