4040690 has 16 divisors (see below), whose sum is σ = 7345728. Its totient is φ = 1600176.

The previous prime is 4040683. The next prime is 4040717. The reversal of 4040690 is 960404.

It is a super-2 number, since 2×4040690² = 32654351352200, which contains 22 as substring.

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, 932 + ... + 2991.

It is an arithmetic number, because the mean of its divisors is an integer number (459108).

Almost surely, 2^4040690 is an apocalyptic number.

4040690 is a deficient number, since it is larger than the sum of its proper divisors (3305038).

4040690 is a wasteful number, since it uses less digits than its factorization.

4040690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4040690 is about 2010.1467608113. The cubic root of 4040690 is about 159.2765515279.

The spelling of 4040690 in words is "four million, forty thousand, six hundred ninety".