69789438 has 20 divisors (see below), whose sum is σ = 156380400. Its totient is φ = 23263092.

The previous prime is 69789431. The next prime is 69789449. The reversal of 69789438 is 83498796.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69789431) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 215238 + ... + 215561.

It is an arithmetic number, because the mean of its divisors is an integer number (7819020).

Almost surely, 2^69789438 is an apocalyptic number.

69789438 is an abundant number, since it is smaller than the sum of its proper divisors (86590962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69789438 is a wasteful number, since it uses less digits than its factorization.

69789438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430813 (or 430804 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 69789438 is about 8354.0073018881. The cubic root of 69789438 is about 411.7148834853.

The spelling of 69789438 in words is "sixty-nine million, seven hundred eighty-nine thousand, four hundred thirty-eight".