2905988 has 6 divisors (see below), whose sum is σ = 5085486. Its totient is φ = 1452992.

The previous prime is 2905961. The next prime is 2905999. The reversal of 2905988 is 8895092.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2849344 + 56644 = 1688^2 + 238^2 .

It is a super-2 number, since 2×2905988² = 16889532512288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363245 + ... + 363252.

It is an arithmetic number, because the mean of its divisors is an integer number (847581).

2^2905988 is an apocalyptic number.

It is an amenable number.

2905988 is a deficient number, since it is larger than the sum of its proper divisors (2179498).

2905988 is a wasteful number, since it uses less digits than its factorization.

2905988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726501 (or 726499 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 2905988 is about 1704.6958673030. The cubic root of 2905988 is about 142.7023983442.

The spelling of 2905988 in words is "two million, nine hundred five thousand, nine hundred eighty-eight".