153948938 has 16 divisors (see below), whose sum is σ = 271295136. Its totient is φ = 64593840.

The previous prime is 153948937. The next prime is 153948943. The reversal of 153948938 is 839849351.

It is a super-2 number, since 2×153948938² = 47400551022655688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (153948931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268856 + ... + 269427.

It is an arithmetic number, because the mean of its divisors is an integer number (16955946).

Almost surely, 2^153948938 is an apocalyptic number.

153948938 is a deficient number, since it is larger than the sum of its proper divisors (117346198).

153948938 is a wasteful number, since it uses less digits than its factorization.

153948938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538309.

The product of its digits is 933120, while the sum is 50.

The square root of 153948938 is about 12407.6161288138. The cubic root of 153948938 is about 535.9515925876.

The spelling of 153948938 in words is "one hundred fifty-three million, nine hundred forty-eight thousand, nine hundred thirty-eight".