3261438 has 16 divisors (see below), whose sum is σ = 7247760. Its totient is φ = 1087128.

The previous prime is 3261437. The next prime is 3261451. The reversal of 3261438 is 8341623.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261437) 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, 30145 + ... + 30252.

It is an arithmetic number, because the mean of its divisors is an integer number (452985).

Almost surely, 2^3261438 is an apocalyptic number.

3261438 is an abundant number, since it is smaller than the sum of its proper divisors (3986322).

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

3261438 is a wasteful number, since it uses less digits than its factorization.

3261438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60408 (or 60402 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 3261438 is about 1805.9451818923. The cubic root of 3261438 is about 148.2983693490.

It can be divided in two parts, 326 and 1438, that added together give a square (1764 = 42²).

The spelling of 3261438 in words is "three million, two hundred sixty-one thousand, four hundred thirty-eight".