3738631 has 8 divisors (see below), whose sum is σ = 4156544. Its totient is φ = 3339360.

The previous prime is 3738617. The next prime is 3738659. The reversal of 3738631 is 1368373.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3738631 is a prime.

It is a super-2 number, since 2×3738631² = 27954723508322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

3738631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3738593 and 3738602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3738661) 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, 4236 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (519568).

Almost surely, 2^3738631 is an apocalyptic number.

3738631 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3738631 is a deficient number, since it is larger than the sum of its proper divisors (417913).

3738631 is a wasteful number, since it uses less digits than its factorization.

3738631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9321.

The product of its digits is 9072, while the sum is 31.

The square root of 3738631 is about 1933.5539816617. The cubic root of 3738631 is about 155.2044613581.

The spelling of 3738631 in words is "three million, seven hundred thirty-eight thousand, six hundred thirty-one".