3268740 has 48 divisors (see below), whose sum is σ = 9237312. Its totient is φ = 863616.

The previous prime is 3268739. The next prime is 3268753. The reversal of 3268740 is 478623.

It is a super-2 number, since 2×3268740² = 21369322375200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3268698 and 3268707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9247 + ... + 9593.

It is an arithmetic number, because the mean of its divisors is an integer number (192444).

Almost surely, 2^3268740 is an apocalyptic number.

3268740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3268740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4618656).

3268740 is an abundant number, since it is smaller than the sum of its proper divisors (5968572).

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

3268740 is a wasteful number, since it uses less digits than its factorization.

3268740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3268740 is about 1807.9657076394. The cubic root of 3268740 is about 148.4089614203.

The spelling of 3268740 in words is "three million, two hundred sixty-eight thousand, seven hundred forty".