3899694 has 16 divisors (see below), whose sum is σ = 7845120. Its totient is φ = 1292280.

The previous prime is 3899657. The next prime is 3899699. The reversal of 3899694 is 4969983.

It is a happy number.

3899694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3899694² = 30415226587272, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3 + 8⁷ + 9³ + 9⁵ + 6⁸ + 9⁵ + 4⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742 + ... + 2889.

It is an arithmetic number, because the mean of its divisors is an integer number (490320).

Almost surely, 2^3899694 is an apocalyptic number.

3899694 is an abundant number, since it is smaller than the sum of its proper divisors (3945426).

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

3899694 is a wasteful number, since it uses less digits than its factorization.

3899694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815.

The product of its digits is 419904, while the sum is 48.

The square root of 3899694 is about 1974.7642897318. The cubic root of 3899694 is about 157.4019747808.

The spelling of 3899694 in words is "three million, eight hundred ninety-nine thousand, six hundred ninety-four".