3499972 has 24 divisors (see below), whose sum is σ = 7145600. Its totient is φ = 1499400.

The previous prime is 3499967. The next prime is 3499973. The reversal of 3499972 is 2799943.

3499972 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

3499972 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (3499973) 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, 97 + ... + 2647.

Almost surely, 2^3499972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3499972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3572800).

3499972 is an abundant number, since it is smaller than the sum of its proper divisors (3645628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3499972 is a wasteful number, since it uses less digits than its factorization.

3499972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576 (or 2560 counting only the distinct ones).

The product of its digits is 122472, while the sum is 43.

The square root of 3499972 is about 1870.8212100572. The cubic root of 3499972 is about 151.8290437142.

The spelling of 3499972 in words is "three million, four hundred ninety-nine thousand, nine hundred seventy-two".