2698940 has 12 divisors (see below), whose sum is σ = 5667816. Its totient is φ = 1079568.

The previous prime is 2698933. The next prime is 2698951. The reversal of 2698940 is 498962.

2698940 = 240² + 241² + ... + 279².

It is a junction number, because it is equal to n+sod(n) for n = 2698894 and 2698903.

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, 67454 + ... + 67493.

It is an arithmetic number, because the mean of its divisors is an integer number (472318).

2^2698940 is an apocalyptic number.

2698940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2698940 is an abundant number, since it is smaller than the sum of its proper divisors (2968876).

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

2698940 is a wasteful number, since it uses less digits than its factorization.

2698940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134956 (or 134954 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2698940 is about 1642.8450931235. The cubic root of 2698940 is about 139.2294400892.

The spelling of 2698940 in words is "two million, six hundred ninety-eight thousand, nine hundred forty".