1961407282 has 16 divisors (see below), whose sum is σ = 3029040000. Its totient is φ = 951968160.

The previous prime is 1961407277. The next prime is 1961407291. The reversal of 1961407282 is 2827041691.

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, 43782 + ... + 76417.

It is an arithmetic number, because the mean of its divisors is an integer number (189315000).

Almost surely, 2^1961407282 is an apocalyptic number.

1961407282 is a deficient number, since it is larger than the sum of its proper divisors (1067632718).

1961407282 is a wasteful number, since it uses less digits than its factorization.

1961407282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120441.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1961407282 is about 44287.7780205781. The cubic root of 1961407282 is about 1251.7643951826.

The spelling of 1961407282 in words is "one billion, nine hundred sixty-one million, four hundred seven thousand, two hundred eighty-two".