3699977 has 4 divisors (see below), whose sum is σ = 3704340. Its totient is φ = 3695616.

The previous prime is 3699961. The next prime is 3700001. The reversal of 3699977 is 7799963.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7799963 = 41 ⋅190243.

It can be written as a sum of positive squares in 2 ways, for example, as 2524921 + 1175056 = 1589^2 + 1084^2 .

It is a cyclic number.

It is not a de Polignac number, because 3699977 - 2⁴ = 3699961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3699947) 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, 452 + ... + 2757.

It is an arithmetic number, because the mean of its divisors is an integer number (926085).

Almost surely, 2^3699977 is an apocalyptic number.

It is an amenable number.

3699977 is a deficient number, since it is larger than the sum of its proper divisors (4363).

3699977 is a wasteful number, since it uses less digits than its factorization.

3699977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362.

The product of its digits is 642978, while the sum is 50.

The square root of 3699977 is about 1923.5324275925. The cubic root of 3699977 is about 154.6677168932.

The spelling of 3699977 in words is "three million, six hundred ninety-nine thousand, nine hundred seventy-seven".