3693431 has 4 divisors (see below), whose sum is σ = 4221072. Its totient is φ = 3165792.

The previous prime is 3693427. The next prime is 3693449. The reversal of 3693431 is 1343963.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3693431 - 2² = 3693427 is a prime.

It is a super-2 number, since 2×3693431² = 27282865103522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3693394 and 3693403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3693331) 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, 263810 + ... + 263823.

It is an arithmetic number, because the mean of its divisors is an integer number (1055268).

Almost surely, 2^3693431 is an apocalyptic number.

3693431 is a deficient number, since it is larger than the sum of its proper divisors (527641).

3693431 is an equidigital number, since it uses as much as digits as its factorization.

3693431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527640.

The product of its digits is 5832, while the sum is 29.

The square root of 3693431 is about 1921.8301173621. The cubic root of 3693431 is about 154.5764503312.

The spelling of 3693431 in words is "three million, six hundred ninety-three thousand, four hundred thirty-one".