2743990 has 16 divisors (see below), whose sum is σ = 4960080. Its totient is φ = 1092960.

The previous prime is 2743967. The next prime is 2743991. The reversal of 2743990 is 993472.

It is a super-2 number, since 2×2743990² = 15058962240200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2743991) 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, 2896 + ... + 3724.

It is an arithmetic number, because the mean of its divisors is an integer number (310005).

2^2743990 is an apocalyptic number.

2743990 is a deficient number, since it is larger than the sum of its proper divisors (2216090).

2743990 is a wasteful number, since it uses less digits than its factorization.

2743990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2743990 is about 1656.4993208571. The cubic root of 2743990 is about 139.9998299318. Note that the first 3 decimals are identical.

The spelling of 2743990 in words is "two million, seven hundred forty-three thousand, nine hundred ninety".