4049670 has 16 divisors (see below), whose sum is σ = 9719280. Its totient is φ = 1079904.

The previous prime is 4049609. The next prime is 4049707. The reversal of 4049670 is 769404.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 134989 = 4049670 / (4 + 0 + 4 + 9 + 6 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67465 + ... + 67524.

It is an arithmetic number, because the mean of its divisors is an integer number (607455).

Almost surely, 2^4049670 is an apocalyptic number.

4049670 is an abundant number, since it is smaller than the sum of its proper divisors (5669610).

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

4049670 is a wasteful number, since it uses less digits than its factorization.

4049670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134999.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 4049670 is about 2012.3791889204. The cubic root of 4049670 is about 159.3944559101.

The spelling of 4049670 in words is "four million, forty-nine thousand, six hundred seventy".