3820690 has 8 divisors (see below), whose sum is σ = 6877260. Its totient is φ = 1528272.

The previous prime is 3820673. The next prime is 3820709. The reversal of 3820690 is 960283.

It can be written as a sum of positive squares in 2 ways, for example, as 3636649 + 184041 = 1907^2 + 429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3820690² = 29195344152200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191025 + ... + 191044.

Almost surely, 2^3820690 is an apocalyptic number.

3820690 is a deficient number, since it is larger than the sum of its proper divisors (3056570).

3820690 is a wasteful number, since it uses less digits than its factorization.

3820690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382076.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3820690 is about 1954.6585379549. The cubic root of 3820690 is about 156.3317779916.

The spelling of 3820690 in words is "three million, eight hundred twenty thousand, six hundred ninety".