264749238 has 48 divisors (see below), whose sum is σ = 637693056. Its totient is φ = 78831360.

The previous prime is 264749231. The next prime is 264749263. The reversal of 264749238 is 832947462.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 264749193 and 264749202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264749231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10995 + ... + 25502.

It is an arithmetic number, because the mean of its divisors is an integer number (13285272).

Almost surely, 2^264749238 is an apocalyptic number.

264749238 is an abundant number, since it is smaller than the sum of its proper divisors (372943818).

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

264749238 is a wasteful number, since it uses less digits than its factorization.

264749238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36549 (or 36546 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 264749238 is about 16271.1166795644. The cubic root of 264749238 is about 642.1131631538.

The spelling of 264749238 in words is "two hundred sixty-four million, seven hundred forty-nine thousand, two hundred thirty-eight".