1955497394 has 8 divisors (see below), whose sum is σ = 2933618688. Its totient is φ = 977624500.

The previous prime is 1955497373. The next prime is 1955497417. The reversal of 1955497394 is 4937945591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40982 + ... + 74769.

It is an arithmetic number, because the mean of its divisors is an integer number (366702336).

Almost surely, 2^1955497394 is an apocalyptic number.

1955497394 is a deficient number, since it is larger than the sum of its proper divisors (978121294).

1955497394 is a wasteful number, since it uses less digits than its factorization.

1955497394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124200.

The product of its digits is 6123600, while the sum is 56.

The square root of 1955497394 is about 44221.0062526849. The cubic root of 1955497394 is about 1250.5059059397.

The spelling of 1955497394 in words is "one billion, nine hundred fifty-five million, four hundred ninety-seven thousand, three hundred ninety-four".