913642 has 4 divisors (see below), whose sum is σ = 1370466. Its totient is φ = 456820.

The previous prime is 913639. The next prime is 913687. The reversal of 913642 is 246319.

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

It can be written as a sum of positive squares in only one way, i.e., 576081 + 337561 = 759^2 + 581^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228409 + ... + 228412.

2⁹¹³⁶⁴² is an apocalyptic number.

913642 is a deficient number, since it is larger than the sum of its proper divisors (456824).

913642 is a wasteful number, since it uses less digits than its factorization.

913642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456823.

The product of its digits is 1296, while the sum is 25.

The square root of 913642 is about 955.8462219416. The cubic root of 913642 is about 97.0343166921.

The spelling of 913642 in words is "nine hundred thirteen thousand, six hundred forty-two".