3493977 has 4 divisors (see below), whose sum is σ = 4658640. Its totient is φ = 2329316.

The previous prime is 3493961. The next prime is 3494009. The reversal of 3493977 is 7793943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7793943 = 3 ⋅2597981.

It is a cyclic number.

It is not a de Polignac number, because 3493977 - 2⁴ = 3493961 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3493927) 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, 582327 + ... + 582332.

It is an arithmetic number, because the mean of its divisors is an integer number (1164660).

Almost surely, 2^3493977 is an apocalyptic number.

It is an amenable number.

3493977 is a deficient number, since it is larger than the sum of its proper divisors (1164663).

3493977 is a wasteful number, since it uses less digits than its factorization.

3493977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164662.

The product of its digits is 142884, while the sum is 42.

The square root of 3493977 is about 1869.2182858083. The cubic root of 3493977 is about 151.7423063245.

The spelling of 3493977 in words is "three million, four hundred ninety-three thousand, nine hundred seventy-seven".