3899954 has 8 divisors (see below), whose sum is σ = 5875740. Its totient is φ = 1941376.

The previous prime is 3899947. The next prime is 3899957. The reversal of 3899954 is 4599983.

It can be written as a sum of positive squares in 2 ways, for example, as 3892729 + 7225 = 1973^2 + 85^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3899899 and 3899908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3719 + ... + 4650.

Almost surely, 2^3899954 is an apocalyptic number.

3899954 is a deficient number, since it is larger than the sum of its proper divisors (1975786).

3899954 is a wasteful number, since it uses less digits than its factorization.

3899954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604.

The product of its digits is 349920, while the sum is 47.

The square root of 3899954 is about 1974.8301192761. The cubic root of 3899954 is about 157.4054727992.

The spelling of 3899954 in words is "three million, eight hundred ninety-nine thousand, nine hundred fifty-four".