9957455 has 4 divisors (see below), whose sum is σ = 11948952. Its totient is φ = 7965960.

The previous prime is 9957439. The next prime is 9957487. The reversal of 9957455 is 5547599.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9957455 - 2⁴ = 9957439 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 995741 + ... + 995750.

It is an arithmetic number, because the mean of its divisors is an integer number (2987238).

Almost surely, 2^9957455 is an apocalyptic number.

9957455 is a deficient number, since it is larger than the sum of its proper divisors (1991497).

9957455 is a wasteful number, since it uses less digits than its factorization.

9957455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991496.

The product of its digits is 283500, while the sum is 44.

The square root of 9957455 is about 3155.5435347971. The cubic root of 9957455 is about 215.1374999306.

The spelling of 9957455 in words is "nine million, nine hundred fifty-seven thousand, four hundred fifty-five".