238949434 has 16 divisors (see below), whose sum is σ = 377830080. Its totient is φ = 113024160.

The previous prime is 238949429. The next prime is 238949437. The reversal of 238949434 is 434949832.

238949434 = T₂₈₆₇ + T₂₈₆₈ + ... + T₂₉₂₃.

238949434 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (238949437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24787 + ... + 33049.

It is an arithmetic number, because the mean of its divisors is an integer number (23614380).

Almost surely, 2^238949434 is an apocalyptic number.

238949434 is the 8263-rd nonagonal number.

238949434 is a deficient number, since it is larger than the sum of its proper divisors (138880646).

238949434 is a wasteful number, since it uses less digits than its factorization.

238949434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9045.

The product of its digits is 746496, while the sum is 46.

The square root of 238949434 is about 15457.9893259117. The cubic root of 238949434 is about 620.5384102123.

The spelling of 238949434 in words is "two hundred thirty-eight million, nine hundred forty-nine thousand, four hundred thirty-four".