38209012 has 24 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 18514080.

The previous prime is 38208991. The next prime is 38209021. The reversal of 38209012 is 21090283.

It is a super-2 number, since 2×38209012² = 2919857196032288, which contains 22 as substring.

It is a congruent number.

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, 63489 + ... + 64087.

It is an arithmetic number, because the mean of its divisors is an integer number (2872800).

Almost surely, 2^38209012 is an apocalyptic number.

It is an amenable number.

38209012 is a deficient number, since it is larger than the sum of its proper divisors (30738188).

38209012 is a wasteful number, since it uses less digits than its factorization.

38209012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 38209012 is about 6181.3438668303. The cubic root of 38209012 is about 336.8128115407.

Adding to 38209012 its reverse (21090283), we get a palindrome (59299295).

The spelling of 38209012 in words is "thirty-eight million, two hundred nine thousand, twelve".