1097478 has 24 divisors (see below), whose sum is σ = 2503800. Its totient is φ = 346464.

The previous prime is 1097461. The next prime is 1097483. The reversal of 1097478 is 8747901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1263 + ... + 1946.

It is an arithmetic number, because the mean of its divisors is an integer number (104325).

2^1097478 is an apocalyptic number.

1097478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1097478 is an abundant number, since it is smaller than the sum of its proper divisors (1406322).

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

1097478 is a wasteful number, since it uses less digits than its factorization.

1097478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236 (or 3233 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1097478 is about 1047.6058419081. The cubic root of 1097478 is about 103.1490599509.

The spelling of 1097478 in words is "one million, ninety-seven thousand, four hundred seventy-eight".