3961090 has 32 divisors (see below), whose sum is σ = 8273664. Its totient is φ = 1337280.

The previous prime is 3961057. The next prime is 3961121. The reversal of 3961090 is 901693.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4572 + ... + 5368.

It is an arithmetic number, because the mean of its divisors is an integer number (258552).

Almost surely, 2^3961090 is an apocalyptic number.

3961090 is an abundant number, since it is smaller than the sum of its proper divisors (4312574).

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

3961090 is a wasteful number, since it uses less digits than its factorization.

3961090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 3961090 is about 1990.2487281744. The cubic root of 3961090 is about 158.2237123647.

The spelling of 3961090 in words is "three million, nine hundred sixty-one thousand, ninety".