1390820962 has 16 divisors (see below), whose sum is σ = 2094481152. Its totient is φ = 692667040.

The previous prime is 1390820953. The next prime is 1390820969. The reversal of 1390820962 is 2690280931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1390820969) 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, 673143 + ... + 675205.

It is an arithmetic number, because the mean of its divisors is an integer number (130905072).

Almost surely, 2^1390820962 is an apocalyptic number.

1390820962 is a deficient number, since it is larger than the sum of its proper divisors (703660190).

1390820962 is a wasteful number, since it uses less digits than its factorization.

1390820962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1390820962 is about 37293.7120973496. The cubic root of 1390820962 is about 1116.2387011192.

The spelling of 1390820962 in words is "one billion, three hundred ninety million, eight hundred twenty thousand, nine hundred sixty-two".