2955720 has 32 divisors (see below), whose sum is σ = 8867520. Its totient is φ = 788160.

The previous prime is 2955683. The next prime is 2955721. The reversal of 2955720 is 275592.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (2955721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12196 + ... + 12435.

It is an arithmetic number, because the mean of its divisors is an integer number (277110).

2^2955720 is an apocalyptic number.

2955720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2955720 is an abundant number, since it is smaller than the sum of its proper divisors (5911800).

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

2955720 is a wasteful number, since it uses less digits than its factorization.

2955720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24645 (or 24641 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 2955720 is about 1719.2207537137. The cubic root of 2955720 is about 143.5118501628.

The spelling of 2955720 in words is "two million, nine hundred fifty-five thousand, seven hundred twenty".