3736881 has 8 divisors (see below), whose sum is σ = 5536160. Its totient is φ = 2491236.

The previous prime is 3736877. The next prime is 3736927. The reversal of 3736881 is 1886373.

3736881 = 64² + 65² + ... + 225².

It is not a de Polignac number, because 3736881 - 2² = 3736877 is a prime.

It is a super-2 number, since 2×3736881² = 27928559216322, which contains 22 as substring.

It is a Duffinian number.

3736881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3736841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69175 + ... + 69228.

It is an arithmetic number, because the mean of its divisors is an integer number (692020).

Almost surely, 2^3736881 is an apocalyptic number.

It is an amenable number.

3736881 is a deficient number, since it is larger than the sum of its proper divisors (1799279).

3736881 is a wasteful number, since it uses less digits than its factorization.

3736881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138412 (or 138406 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3736881 is about 1933.1013941333. The cubic root of 3736881 is about 155.1802412450.

The spelling of 3736881 in words is "three million, seven hundred thirty-six thousand, eight hundred eighty-one".