19960402 has 24 divisors (see below), whose sum is σ = 37614528. Its totient is φ = 7776120.

The previous prime is 19960379. The next prime is 19960403. The reversal of 19960402 is 20406991.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (19960403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4198 + ... + 7585.

It is an arithmetic number, because the mean of its divisors is an integer number (1567272).

Almost surely, 2^19960402 is an apocalyptic number.

19960402 is a deficient number, since it is larger than the sum of its proper divisors (17654126).

19960402 is a wasteful number, since it uses less digits than its factorization.

19960402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11814 (or 11803 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 19960402 is about 4467.7065704901. The cubic root of 19960402 is about 271.2625007865.

The spelling of 19960402 in words is "nineteen million, nine hundred sixty thousand, four hundred two".