3431620 has 24 divisors (see below), whose sum is σ = 7631064. Its totient is φ = 1291776.

The previous prime is 3431587. The next prime is 3431621. The reversal of 3431620 is 261343.

It can be written as a sum of positive squares in 4 ways, for example, as 715716 + 2715904 = 846^2 + 1648^2 .

It is not an unprimeable number, because it can be changed into a prime (3431621) 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, 4707 + ... + 5386.

It is an arithmetic number, because the mean of its divisors is an integer number (317961).

Almost surely, 2^3431620 is an apocalyptic number.

It is an amenable number.

3431620 is an abundant number, since it is smaller than the sum of its proper divisors (4199444).

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

3431620 is a wasteful number, since it uses less digits than its factorization.

3431620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10119 (or 10117 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3431620 is about 1852.4632250061. The cubic root of 3431620 is about 150.8341673149.

Adding to 3431620 its reverse (261343), we get a palindrome (3692963).

The spelling of 3431620 in words is "three million, four hundred thirty-one thousand, six hundred twenty".