2740396 has 6 divisors (see below), whose sum is σ = 4795700. Its totient is φ = 1370196.

The previous prime is 2740393. The next prime is 2740403. The reversal of 2740396 is 6930472.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2740393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342546 + ... + 342553.

2^2740396 is an apocalyptic number.

It is an amenable number.

2740396 is a deficient number, since it is larger than the sum of its proper divisors (2055304).

2740396 is a wasteful number, since it uses less digits than its factorization.

2740396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685103 (or 685101 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2740396 is about 1655.4141475776. The cubic root of 2740396 is about 139.9386806293.

It can be divided in two parts, 2740 and 396, that added together give a square (3136 = 56²).

The spelling of 2740396 in words is "two million, seven hundred forty thousand, three hundred ninety-six".