253768834 has 16 divisors (see below), whose sum is σ = 417908736. Its totient is φ = 114613200.

The previous prime is 253768817. The next prime is 253768859. The reversal of 253768834 is 438867352.

It is a super-2 number, since 2×253768834² = 128797242219439112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33282 + ... + 40189.

It is an arithmetic number, because the mean of its divisors is an integer number (26119296).

Almost surely, 2^253768834 is an apocalyptic number.

253768834 is a deficient number, since it is larger than the sum of its proper divisors (164139902).

253768834 is a wasteful number, since it uses less digits than its factorization.

253768834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73641.

The product of its digits is 967680, while the sum is 46.

The square root of 253768834 is about 15930.1234772365. The cubic root of 253768834 is about 633.1103714396.

The spelling of 253768834 in words is "two hundred fifty-three million, seven hundred sixty-eight thousand, eight hundred thirty-four".