1402860390 has 48 divisors (see below), whose sum is σ = 3519654768. Its totient is φ = 357827008.

The previous prime is 1402860377. The next prime is 1402860397. The reversal of 1402860390 is 930682041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402860397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28329 + ... + 60068.

It is an arithmetic number, because the mean of its divisors is an integer number (73326141).

Almost surely, 2^1402860390 is an apocalyptic number.

1402860390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1402860390 is an abundant number, since it is smaller than the sum of its proper divisors (2116794378).

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

1402860390 is a wasteful number, since it uses less digits than its factorization.

1402860390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88453 (or 88430 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1402860390 is about 37454.7779328619. Note that the first 3 decimals coincide. The cubic root of 1402860390 is about 1119.4503015732.

The spelling of 1402860390 in words is "one billion, four hundred two million, eight hundred sixty thousand, three hundred ninety".