1954739798 has 32 divisors (see below), whose sum is σ = 3565088640. Its totient is φ = 792236160.

The previous prime is 1954739777. The next prime is 1954739803. The reversal of 1954739798 is 8979374591.

It is a self number, because there is not a number n which added to its sum of digits gives 1954739798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130436 + ... + 144647.

It is an arithmetic number, because the mean of its divisors is an integer number (111409020).

Almost surely, 2^1954739798 is an apocalyptic number.

1954739798 is a deficient number, since it is larger than the sum of its proper divisors (1610348842).

1954739798 is a wasteful number, since it uses less digits than its factorization.

1954739798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275132.

The product of its digits is 17146080, while the sum is 62.

The square root of 1954739798 is about 44212.4394034077. The cubic root of 1954739798 is about 1250.3443953448.

The spelling of 1954739798 in words is "one billion, nine hundred fifty-four million, seven hundred thirty-nine thousand, seven hundred ninety-eight".