299634972 has 72 divisors (see below), whose sum is σ = 865259136. Its totient is φ = 79020864.

The previous prime is 299634967. The next prime is 299635001. The reversal of 299634972 is 279436992.

It is a super-2 number, since 2×299634972² = 179562232890881568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3643 + ... + 24749.

It is an arithmetic number, because the mean of its divisors is an integer number (12017488).

Almost surely, 2^299634972 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 299634972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432629568).

299634972 is an abundant number, since it is smaller than the sum of its proper divisors (565624164).

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

299634972 is a wasteful number, since it uses less digits than its factorization.

299634972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21147 (or 21132 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 51.

The square root of 299634972 is about 17309.9674176470. The cubic root of 299634972 is about 669.1613268068.

The spelling of 299634972 in words is "two hundred ninety-nine million, six hundred thirty-four thousand, nine hundred seventy-two".