3403731 has 8 divisors (see below), whose sum is σ = 4548544. Its totient is φ = 2264040.

The previous prime is 3403711. The next prime is 3403733. The reversal of 3403731 is 1373043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3403731 - 2¹⁵ = 3370963 is a prime.

It is a super-2 number, since 2×3403731² = 23170769440722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3403698 and 3403707.

It is not an unprimeable number, because it can be changed into a prime (3403733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720 + ... + 2706.

It is an arithmetic number, because the mean of its divisors is an integer number (568568).

Almost surely, 2^3403731 is an apocalyptic number.

3403731 is a deficient number, since it is larger than the sum of its proper divisors (1144813).

3403731 is a wasteful number, since it uses less digits than its factorization.

3403731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 3403731 is about 1844.9203234828. The cubic root of 3403731 is about 150.4244423032.

Adding to 3403731 its reverse (1373043), we get a palindrome (4776774).

The spelling of 3403731 in words is "three million, four hundred three thousand, seven hundred thirty-one".