3698025407 has 4 divisors (see below), whose sum is σ = 3699984960. Its totient is φ = 3696065856.

The previous prime is 3698025389. The next prime is 3698025437. The reversal of 3698025407 is 7045208963.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3698025407 - 2⁶ = 3698025343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698025437) 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, 976943 + ... + 980720.

It is an arithmetic number, because the mean of its divisors is an integer number (924996240).

Almost surely, 2^3698025407 is an apocalyptic number.

3698025407 is a deficient number, since it is larger than the sum of its proper divisors (1959553).

3698025407 is a wasteful number, since it uses less digits than its factorization.

3698025407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959552.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 3698025407 is about 60811.3920824051. The cubic root of 3698025407 is about 1546.4051838899.

The spelling of 3698025407 in words is "three billion, six hundred ninety-eight million, twenty-five thousand, four hundred seven".