3503997 has 12 divisors (see below), whose sum is σ = 5784480. Its totient is φ = 2002248.

The previous prime is 3503977. The next prime is 3504001. The reversal of 3503997 is 7993053.

It is not a de Polignac number, because 3503997 - 2⁶ = 3503933 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

3503997 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3503917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27747 + ... + 27872.

It is an arithmetic number, because the mean of its divisors is an integer number (482040).

Almost surely, 2^3503997 is an apocalyptic number.

It is an amenable number.

3503997 is a deficient number, since it is larger than the sum of its proper divisors (2280483).

3503997 is a wasteful number, since it uses less digits than its factorization.

3503997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55632 (or 55629 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 36.

The square root of 3503997 is about 1871.8966317615. The cubic root of 3503997 is about 151.8872230167.

The spelling of 3503997 in words is "three million, five hundred three thousand, nine hundred ninety-seven".