1402389328 has 40 divisors (see below), whose sum is σ = 2809829088. Its totient is φ = 677668992.

The previous prime is 1402389269. The next prime is 1402389383. The reversal of 1402389328 is 8239832041.

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, 44475 + ... + 69157.

Almost surely, 2^1402389328 is an apocalyptic number.

It is an amenable number.

1402389328 is an abundant number, since it is smaller than the sum of its proper divisors (1407439760).

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

1402389328 is a wasteful number, since it uses less digits than its factorization.

1402389328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24811 (or 24805 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1402389328 is about 37448.4889948847. The cubic root of 1402389328 is about 1119.3249886682.

The spelling of 1402389328 in words is "one billion, four hundred two million, three hundred eighty-nine thousand, three hundred twenty-eight".