1029970238 has 16 divisors (see below), whose sum is σ = 1713037680. Its totient is φ = 460492800.

The previous prime is 1029970231. The next prime is 1029970243. The reversal of 1029970238 is 8320799201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1029970195 and 1029970204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029970231) 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, 382403 + ... + 385086.

It is an arithmetic number, because the mean of its divisors is an integer number (107064855).

Almost surely, 2^1029970238 is an apocalyptic number.

1029970238 is a deficient number, since it is larger than the sum of its proper divisors (683067442).

1029970238 is a wasteful number, since it uses less digits than its factorization.

1029970238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767563.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1029970238 is about 32093.1493936011. The cubic root of 1029970238 is about 1009.8919068713.

The spelling of 1029970238 in words is "one billion, twenty-nine million, nine hundred seventy thousand, two hundred thirty-eight".