3472991 has 4 divisors (see below), whose sum is σ = 3655800. Its totient is φ = 3290184.

The previous prime is 3472979. The next prime is 3472993. The reversal of 3472991 is 1992743.

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

It is a cyclic number.

It is not a de Polignac number, because 3472991 - 2¹⁸ = 3210847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3472993) 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, 91376 + ... + 91413.

It is an arithmetic number, because the mean of its divisors is an integer number (913950).

Almost surely, 2^3472991 is an apocalyptic number.

3472991 is a deficient number, since it is larger than the sum of its proper divisors (182809).

3472991 is a wasteful number, since it uses less digits than its factorization.

3472991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182808.

The product of its digits is 13608, while the sum is 35.

The square root of 3472991 is about 1863.5962545573. The cubic root of 3472991 is about 151.4378909401.

The spelling of 3472991 in words is "three million, four hundred seventy-two thousand, nine hundred ninety-one".