3401931 has 16 divisors (see below), whose sum is σ = 5143040. Its totient is φ = 1982880.

The previous prime is 3401929. The next prime is 3401933. The reversal of 3401931 is 1391043.

3401931 = T₄₀₄ + T₄₀₅ + ... + T₄₄₁.

It is an interprime number because it is at equal distance from previous prime (3401929) and next prime (3401933).

It is not a de Polignac number, because 3401931 - 2¹ = 3401929 is a prime.

It is a super-2 number, since 2×3401931² = 23146269057522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3401898 and 3401907.

It is not an unprimeable number, because it can be changed into a prime (3401933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1555 + ... + 3036.

It is an arithmetic number, because the mean of its divisors is an integer number (321440).

Almost surely, 2^3401931 is an apocalyptic number.

3401931 is a deficient number, since it is larger than the sum of its proper divisors (1741109).

3401931 is a wasteful number, since it uses less digits than its factorization.

3401931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 3401931 is about 1844.4324330265. The cubic root of 3401931 is about 150.3979212356.

Adding to 3401931 its reverse (1391043), we get a palindrome (4792974).

The spelling of 3401931 in words is "three million, four hundred one thousand, nine hundred thirty-one".