2739890 has 32 divisors (see below), whose sum is σ = 5318784. Its totient is φ = 1012480.

The previous prime is 2739881. The next prime is 2739899. The reversal of 2739890 is 989372.

It is an interprime number because it is at equal distance from previous prime (2739881) and next prime (2739899).

It is a d-powerful number, because it can be written as 2¹⁹ + 7³ + 3¹⁰ + 9 + 8⁷ + 9⁵ + 0 .

It is not an unprimeable number, because it can be changed into a prime (2739899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11957 + ... + 12183.

It is an arithmetic number, because the mean of its divisors is an integer number (166212).

2^2739890 is an apocalyptic number.

2739890 is a deficient number, since it is larger than the sum of its proper divisors (2578894).

2739890 is a wasteful number, since it uses less digits than its factorization.

2739890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2739890 is about 1655.2613086761. The cubic root of 2739890 is about 139.9300671137.

The spelling of 2739890 in words is "two million, seven hundred thirty-nine thousand, eight hundred ninety".