3690078 has 32 divisors (see below), whose sum is σ = 8526336. Its totient is φ = 1042848.

The previous prime is 3690067. The next prime is 3690079. The reversal of 3690078 is 8700963.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690079) 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, 3900 + ... + 4752.

It is an arithmetic number, because the mean of its divisors is an integer number (266448).

Almost surely, 2^3690078 is an apocalyptic number.

3690078 is an abundant number, since it is smaller than the sum of its proper divisors (4836258).

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

3690078 is a wasteful number, since it uses less digits than its factorization.

3690078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 3690078 is about 1920.9575737116. The cubic root of 3690078 is about 154.5296598936.

The spelling of 3690078 in words is "three million, six hundred ninety thousand, seventy-eight".