3732981 has 8 divisors (see below), whose sum is σ = 5688384. Its totient is φ = 2133120.

The previous prime is 3732977. The next prime is 3732983. The reversal of 3732981 is 1892373.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3732981 - 2² = 3732977 is a prime.

It is a super-2 number, since 2×3732981² = 27870294292722, which contains 22 as substring.

3732981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3732983) 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, 88860 + ... + 88901.

It is an arithmetic number, because the mean of its divisors is an integer number (711048).

Almost surely, 2^3732981 is an apocalyptic number.

It is an amenable number.

3732981 is a deficient number, since it is larger than the sum of its proper divisors (1955403).

3732981 is a wasteful number, since it uses less digits than its factorization.

3732981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177771.

The product of its digits is 9072, while the sum is 33.

The square root of 3732981 is about 1932.0923890953. The cubic root of 3732981 is about 155.1262377768.

The spelling of 3732981 in words is "three million, seven hundred thirty-two thousand, nine hundred eighty-one".