3077920 has 24 divisors (see below), whose sum is σ = 7271964. Its totient is φ = 1231104.

The previous prime is 3077903. The next prime is 3077927. The reversal of 3077920 is 297703.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2835856 + 242064 = 1684^2 + 492^2 .

It is not an unprimeable number, because it can be changed into a prime (3077927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9459 + ... + 9778.

Almost surely, 2^3077920 is an apocalyptic number.

It is an amenable number.

3077920 is an abundant number, since it is smaller than the sum of its proper divisors (4194044).

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

3077920 is a wasteful number, since it uses less digits than its factorization.

3077920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19252 (or 19244 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 3077920 is about 1754.4001823985. The cubic root of 3077920 is about 145.4629673154.

The spelling of 3077920 in words is "three million, seventy-seven thousand, nine hundred twenty".