3899607 has 4 divisors (see below), whose sum is σ = 5199480. Its totient is φ = 2599736.

The previous prime is 3899603. The next prime is 3899611. The reversal of 3899607 is 7069983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7069983 = 3 ⋅2356661.

It is an interprime number because it is at equal distance from previous prime (3899603) and next prime (3899611).

It is a cyclic number.

It is not a de Polignac number, because 3899607 - 2² = 3899603 is a prime.

It is a D-number.

3899607 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899603) 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, 649932 + ... + 649937.

It is an arithmetic number, because the mean of its divisors is an integer number (1299870).

Almost surely, 2^3899607 is an apocalyptic number.

3899607 is a deficient number, since it is larger than the sum of its proper divisors (1299873).

3899607 is a wasteful number, since it uses less digits than its factorization.

3899607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299872.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 3899607 is about 1974.7422616635. The cubic root of 3899607 is about 157.4008042553.

The spelling of 3899607 in words is "three million, eight hundred ninety-nine thousand, six hundred seven".