3478831 has 2 divisors, whose sum is σ = 3478832. Its totient is φ = 3478830.

The previous prime is 3478807. The next prime is 3478847. The reversal of 3478831 is 1388743.

It is a strong prime.

It is an emirp because it is prime and its reverse (1388743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3478831 - 2¹¹ = 3476783 is a prime.

It is a super-2 number, since 2×3478831² = 24204530253122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3478801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739415 + 1739416.

It is an arithmetic number, because the mean of its divisors is an integer number (1739416).

Almost surely, 2^3478831 is an apocalyptic number.

3478831 is a deficient number, since it is larger than the sum of its proper divisors (1).

3478831 is an equidigital number, since it uses as much as digits as its factorization.

3478831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 3478831 is about 1865.1624594120. The cubic root of 3478831 is about 151.5227267514.

The spelling of 3478831 in words is "three million, four hundred seventy-eight thousand, eight hundred thirty-one".