3333780 has 36 divisors (see below), whose sum is σ = 10113012. Its totient is φ = 888960.

The previous prime is 3333773. The next prime is 3333787. The reversal of 3333780 is 873333.

It is an interprime number because it is at equal distance from previous prime (3333773) and next prime (3333787).

It can be written as a sum of positive squares in 2 ways, for example, as 2566404 + 767376 = 1602^2 + 876^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3333780² = 22228178176800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3333787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9081 + ... + 9440.

It is an arithmetic number, because the mean of its divisors is an integer number (280917).

Almost surely, 2^3333780 is an apocalyptic number.

3333780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3333780 is an abundant number, since it is smaller than the sum of its proper divisors (6779232).

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

3333780 is a wasteful number, since it uses less digits than its factorization.

3333780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18536 (or 18531 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 3333780 is about 1825.8641789575. The cubic root of 3333780 is about 149.3868302343.

The spelling of 3333780 in words is "three million, three hundred thirty-three thousand, seven hundred eighty".