3740649 has 16 divisors (see below), whose sum is σ = 5474304. Its totient is φ = 2253200.

The previous prime is 3740609. The next prime is 3740669. The reversal of 3740649 is 9460473.

It is a cyclic number.

It is not a de Polignac number, because 3740649 - 2⁸ = 3740393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3740609) 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, 8464 + ... + 8894.

It is an arithmetic number, because the mean of its divisors is an integer number (342144).

Almost surely, 2^3740649 is an apocalyptic number.

It is an amenable number.

3740649 is a deficient number, since it is larger than the sum of its proper divisors (1733655).

3740649 is a wasteful number, since it uses less digits than its factorization.

3740649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 3740649 is about 1934.0757482581. The cubic root of 3740649 is about 155.2323812275.

The spelling of 3740649 in words is "three million, seven hundred forty thousand, six hundred forty-nine".