10619940 has 48 divisors (see below), whose sum is σ = 29893248. Its totient is φ = 2817024.

The previous prime is 10619927. The next prime is 10619957. The reversal of 10619940 is 4991601.

It is a super-2 number, since 2×10619940² = 225566251207200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10619898 and 10619907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15444 + ... + 16116.

It is an arithmetic number, because the mean of its divisors is an integer number (622776).

Almost surely, 2^10619940 is an apocalyptic number.

10619940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10619940 is an abundant number, since it is smaller than the sum of its proper divisors (19273308).

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

10619940 is a wasteful number, since it uses less digits than its factorization.

10619940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 10619940 is about 3258.8249416009. The cubic root of 10619940 is about 219.8065793086.

The spelling of 10619940 in words is "ten million, six hundred nineteen thousand, nine hundred forty".