3431000 has 64 divisors (see below), whose sum is σ = 8311680. Its totient is φ = 1324800.

The previous prime is 3430967. The next prime is 3431009. The reversal of 3431000 is 1343.

It is a super-2 number, since 2×3431000² = 23543522000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46964 + ... + 47036.

It is an arithmetic number, because the mean of its divisors is an integer number (129870).

Almost surely, 2^3431000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3431000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4155840).

3431000 is an abundant number, since it is smaller than the sum of its proper divisors (4880680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3431000 is a wasteful number, since it uses less digits than its factorization.

3431000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3431000 is about 1852.2958726942. The cubic root of 3431000 is about 150.8250828965.

Adding to 3431000 its reverse (1343), we get a palindrome (3432343).

The spelling of 3431000 in words is "three million, four hundred thirty-one thousand".