2758992 has 40 divisors (see below), whose sum is σ = 7187040. Its totient is φ = 912000.

The previous prime is 2758963. The next prime is 2758999. The reversal of 2758992 is 2998572.

It is a super-2 number, since 2×2758992² = 15224073712128, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁷ + 7⁶ + 5⁹ + 8⁵ + 9 + 9² + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2758999) 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, 10867 + ... + 11117.

It is an arithmetic number, because the mean of its divisors is an integer number (179676).

2^2758992 is an apocalyptic number.

It is an amenable number.

2758992 is an abundant number, since it is smaller than the sum of its proper divisors (4428048).

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

2758992 is a wasteful number, since it uses less digits than its factorization.

2758992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 485 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 2758992 is about 1661.0213725296. The cubic root of 2758992 is about 140.2545030503.

The spelling of 2758992 in words is "two million, seven hundred fifty-eight thousand, nine hundred ninety-two".