1955349396 has 240 divisors, whose sum is σ = 6864359040. Its totient is φ = 468737280.

The previous prime is 1955349379. The next prime is 1955349437. The reversal of 1955349396 is 6939435591.

1955349396 is a `hidden beast` number, since 19 + 5 + 53 + 493 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 321310 + ... + 327338.

It is an arithmetic number, because the mean of its divisors is an integer number (28601496).

Almost surely, 2^1955349396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1955349396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3432179520).

1955349396 is an abundant number, since it is smaller than the sum of its proper divisors (4909009644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1955349396 is a wasteful number, since it uses less digits than its factorization.

1955349396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076 (or 6065 counting only the distinct ones).

The product of its digits is 3936600, while the sum is 54.

The square root of 1955349396 is about 44219.3328307879. The cubic root of 1955349396 is about 1250.4743577783.

The spelling of 1955349396 in words is "one billion, nine hundred fifty-five million, three hundred forty-nine thousand, three hundred ninety-six".