1902320342 has 16 divisors (see below), whose sum is σ = 3076263792. Its totient is φ = 877055520.

The previous prime is 1902320327. The next prime is 1902320353. The reversal of 1902320342 is 2430232091.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 14009 + ... + 63252.

It is an arithmetic number, because the mean of its divisors is an integer number (192266487).

Almost surely, 2^1902320342 is an apocalyptic number.

1902320342 is a deficient number, since it is larger than the sum of its proper divisors (1173943450).

1902320342 is a wasteful number, since it uses less digits than its factorization.

1902320342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78223.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1902320342 is about 43615.5974623758. The cubic root of 1902320342 is about 1239.0663154356.

The spelling of 1902320342 in words is "one billion, nine hundred two million, three hundred twenty thousand, three hundred forty-two".