738690428 has 12 divisors (see below), whose sum is σ = 1477380912. Its totient is φ = 316581600.

The previous prime is 738690391. The next prime is 738690439. The reversal of 738690428 is 824096837.

738690428 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13190873 + ... + 13190928.

It is an arithmetic number, because the mean of its divisors is an integer number (123115076).

Almost surely, 2^738690428 is an apocalyptic number.

It is an amenable number.

738690428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

738690428 is a wasteful number, since it uses less digits than its factorization.

738690428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26381812 (or 26381810 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 738690428 is about 27178.8599466571. The cubic root of 738690428 is about 903.9702900278.

The spelling of 738690428 in words is "seven hundred thirty-eight million, six hundred ninety thousand, four hundred twenty-eight".