3350640 has 80 divisors (see below), whose sum is σ = 10856448. Its totient is φ = 853248.

The previous prime is 3350629. The next prime is 3350651. The reversal of 3350640 is 460533.

It is an interprime number because it is at equal distance from previous prime (3350629) and next prime (3350651).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3350640² = 22453576819200, which contains 22 as substring.

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, 5217 + ... + 5823.

Almost surely, 2^3350640 is an apocalyptic number.

3350640 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 3350640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5428224).

3350640 is an abundant number, since it is smaller than the sum of its proper divisors (7505808).

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

3350640 is a wasteful number, since it uses less digits than its factorization.

3350640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 3350640 is about 1830.4753480995. The cubic root of 3350640 is about 149.6382393407.

The spelling of 3350640 in words is "three million, three hundred fifty thousand, six hundred forty".