388780962 has 16 divisors (see below), whose sum is σ = 787405440. Its totient is φ = 127953072.

The previous prime is 388780961. The next prime is 388780963. The reversal of 388780962 is 269087883.

It is an interprime number because it is at equal distance from previous prime (388780961) and next prime (388780963).

It is not an unprimeable number, because it can be changed into a prime (388780961) 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, 409633 + ... + 410580.

It is an arithmetic number, because the mean of its divisors is an integer number (49212840).

Almost surely, 2^388780962 is an apocalyptic number.

388780962 is an abundant number, since it is smaller than the sum of its proper divisors (398624478).

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

388780962 is a wasteful number, since it uses less digits than its factorization.

388780962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820297.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 388780962 is about 19717.5293076998. The cubic root of 388780962 is about 729.8523264182.

The spelling of 388780962 in words is "three hundred eighty-eight million, seven hundred eighty thousand, nine hundred sixty-two".