3261858 has 32 divisors (see below), whose sum is σ = 6993216. Its totient is φ = 1010688.

The previous prime is 3261857. The next prime is 3261871. The reversal of 3261858 is 8581623.

It is a happy number.

It is a super-2 number, since 2×3261858² = 21279435224328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3261857) 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, 11385 + ... + 11667.

It is an arithmetic number, because the mean of its divisors is an integer number (218538).

Almost surely, 2^3261858 is an apocalyptic number.

3261858 is an abundant number, since it is smaller than the sum of its proper divisors (3731358).

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

3261858 is a wasteful number, since it uses less digits than its factorization.

3261858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its digits is 11520, while the sum is 33.

The square root of 3261858 is about 1806.0614607482. The cubic root of 3261858 is about 148.3047349094.

The spelling of 3261858 in words is "three million, two hundred sixty-one thousand, eight hundred fifty-eight".