3961790 has 16 divisors (see below), whose sum is σ = 8150112. Its totient is φ = 1358304.

The previous prime is 3961781. The next prime is 3961813. The reversal of 3961790 is 971693.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3961790.

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, 28229 + ... + 28368.

It is an arithmetic number, because the mean of its divisors is an integer number (509382).

Almost surely, 2^3961790 is an apocalyptic number.

3961790 is an abundant number, since it is smaller than the sum of its proper divisors (4188322).

3961790 is a wasteful number, since it uses less digits than its factorization.

3961790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56611.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 3961790 is about 1990.4245778225. The cubic root of 3961790 is about 158.2330321963.

The spelling of 3961790 in words is "three million, nine hundred sixty-one thousand, seven hundred ninety".