3913434 has 120 divisors (see below), whose sum is σ = 11173140. Its totient is φ = 1016064.

The previous prime is 3913421. The next prime is 3913489. The reversal of 3913434 is 4343193.

It can be written as a sum of positive squares in 2 ways, for example, as 3814209 + 99225 = 1953^2 + 315^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3913398 and 3913407.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 134932 + ... + 134960.

Almost surely, 2^3913434 is an apocalyptic number.

3913434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3913434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5586570).

3913434 is an abundant number, since it is smaller than the sum of its proper divisors (7259706).

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

3913434 is a wasteful number, since it uses less digits than its factorization.

3913434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 58 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 3913434 is about 1978.2401269816. The cubic root of 3913434 is about 157.5866190208.

The spelling of 3913434 in words is "three million, nine hundred thirteen thousand, four hundred thirty-four".