1913456 has 10 divisors (see below), whose sum is σ = 3707352. Its totient is φ = 956720.

The previous prime is 1913447. The next prime is 1913467. The reversal of 1913456 is 6543191.

It is a super-2 number, since 2×1913456² = 7322627727872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59780 + ... + 59811.

2^1913456 is an apocalyptic number.

1913456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1913456 is a deficient number, since it is larger than the sum of its proper divisors (1793896).

1913456 is a wasteful number, since it uses less digits than its factorization.

1913456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119599 (or 119593 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 1913456 is about 1383.2772679402. The cubic root of 1913456 is about 124.1479330525.

The spelling of 1913456 in words is "one million, nine hundred thirteen thousand, four hundred fifty-six".