961395740 has 24 divisors (see below), whose sum is σ = 2020025952. Its totient is φ = 384349760.

The previous prime is 961395703. The next prime is 961395761. The reversal of 961395740 is 47593169.

It is a junction number, because it is equal to n+sod(n) for n = 961395691 and 961395700.

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, 27905 + ... + 51975.

It is an arithmetic number, because the mean of its divisors is an integer number (84167748).

Almost surely, 2^961395740 is an apocalyptic number.

It is an amenable number.

961395740 is an abundant number, since it is smaller than the sum of its proper divisors (1058630212).

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

961395740 is a wasteful number, since it uses less digits than its factorization.

961395740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26077 (or 26075 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 961395740 is about 31006.3822462409. The cubic root of 961395740 is about 986.9626802865.

The spelling of 961395740 in words is "nine hundred sixty-one million, three hundred ninety-five thousand, seven hundred forty".