2349972 has 30 divisors (see below), whose sum is σ = 6144138. Its totient is φ = 783216.

The previous prime is 2349959. The next prime is 2349973. The reversal of 2349972 is 2799432.

It can be written as a sum of positive squares in only one way, i.e., 2178576 + 171396 = 1476^2 + 414^2 .

It is a super-3 number, since 3×2349972³ = 38932233346581534144, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2349973) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3303 + ... + 3950.

2^2349972 is an apocalyptic number.

It is an amenable number.

2349972 is an abundant number, since it is smaller than the sum of its proper divisors (3794166).

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

2349972 is a wasteful number, since it uses less digits than its factorization.

2349972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269 (or 7258 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2349972 is about 1532.9618390554. The cubic root of 2349972 is about 132.9497614918.

It can be divided in two parts, 2349 and 972, that added together give a triangular number (3321 = T₈₁).

The spelling of 2349972 in words is "two million, three hundred forty-nine thousand, nine hundred seventy-two".