3691048 has 8 divisors (see below), whose sum is σ = 6920730. Its totient is φ = 1845520.

The previous prime is 3691043. The next prime is 3691087. The reversal of 3691048 is 8401963.

It can be written as a sum of positive squares in only one way, i.e., 3175524 + 515524 = 1782^2 + 718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×3691048³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3691043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230683 + ... + 230698.

Almost surely, 2^3691048 is an apocalyptic number.

It is an amenable number.

3691048 is a deficient number, since it is larger than the sum of its proper divisors (3229682).

3691048 is a wasteful number, since it uses less digits than its factorization.

3691048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461387 (or 461383 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3691048 is about 1921.2100353683. The cubic root of 3691048 is about 154.5431989605.

Subtracting 3691048 from its reverse (8401963), we obtain a triangular number (4710915 = T₃₀₆₉).

The spelling of 3691048 in words is "three million, six hundred ninety-one thousand, forty-eight".